ZH
RU
ES

two-way

two-way, Total:500 items.

In the international standard classification, two-way involves: Electrical accessories, Telecommunication systems, Agricultural machines, implements and equipment, Rectifiers. Convertors. Stabilized power supply, Machine tool systems, Components for aerospace construction, Machine tools, Shipbuilding and marine structures in general, Valves, Hinges, eyelets and other articulated joints, Rubber and plastics products, Ground service and maintenance equipment, Furniture, Hand-held tools, Industrial trucks, Bearings, Spools. Bobbins, Packaging materials and accessories, Plastics, Manufacturing processes in the rubber and plastics industries, Vocabularies, Semiconductor devices, Structures of buildings, Integrated circuits. Microelectronics, Fibre optic communications, Earthworks. Excavations. Foundation construction. Underground works, Information technology (IT) in general, Radiocommunications, Installations in buildings, Pumps, Company organization and management, Textile machinery, Capacitors, Audio, video and audiovisual engineering, Bridge construction, Linear and angular measurements, Road vehicle systems, Adhesives, Chipless working equipment, Road engineering, Industrial automation systems, Hydraulic energy engineering, Farm buildings, structures and installations, Electromechanical components for electronic and telecommunications equipment, Testing of metals, Insulating materials, Lamps and related equipment, Welding, brazing and soldering, Wind turbine systems and other alternative sources of energy, Rubber, Equipment for petroleum and natural gas industries, Open systems interconnection (OSI), Interface and interconnection equipment, Microprocessor systems, Optoelectronics. Laser equipment, Applications of information technology, Protection against fire, Alarm and warning systems, Television and radio broadcasting, Products of the textile industry, Electric traction equipment, Integrated Services Digital Network (ISDN), Railway engineering in general, On-board equipment and instruments, Internal combustion engines for road vehicles, Medical sciences and health care facilities in general, Materials for aerospace construction, Reinforced plastics, Commercial vehicles, Software development and system documentation, Photography, Energy and heat transfer engineering in general, Cableway equipment, Acoustics and acoustic measurements, Woodworking equipment.

RO-ASRO, two-way

STAS 2025-1986 DUPLEX BOAKD
SR 3922-1994 Double direction thrust ball bearings. Dimensions
STAS 11220-1986 SINGLE AND DOUBLE DIRECT-ION -THRUSTS CYLINDRICAL ROLLER BEARINGS Dimensions
STAS 11200/154-1980 GRAPHICAL SYMBOL FOR REVERSIBLE TRANSDUCER FOR UNDERWATER SOUND
STAS 11200/74-1979 Graphical symbols GRAPHICAL SYMBOL FOR BIDIRECTIONAL MICROPHONE
STAS 11200/28-1978 Graphical symbols GRAPHICAL SYMBOL FOR EFFECT OR ACTION IN BOTH DIRECTIONS TOWARDS A REFERENCE POINT
STAS 11200/27-1978 Graphical symbols GRAPHICAL SYMBOL FOR EFFECT OR ACTION IN BOTH DIRECTIONS AWAY FROM A REFERENCE POINT
STAS 6846-1986 DOUBL.E ROW SELF-AL.IGNTNG BA LI. BEA RING S Dimensions
STAS 7416/3-1986 DOUBLE ROW RADIAL-AXIAL BALL BEABINGS Dimensions
STAS 11342-1979 ANIONIC ASPHALTIC EMULSION WITH SLOW BRF.AKING I FOR HYDROINSULATIONS

Professional Standard - Electron, two-way

SJ 2435.1-1984 Bidirectional bonding sheet
SJ 2435.2-1984 Bidirectional bonding sheet with tacit tooth
SJ 2435.3-1984 Bidirectional align bonding sheet
SJ 2435.4-1984 Bidirectional bonding sheet in a straight line
SJ 20602-1996 Specification for biaxially oriented polypropylene film for capacitors capacitors
SJ 20786.1-2002 Semiconductor photoelectric assembly Detail specification for miniature duplex photoelectric localizer for type CBGS 2301
SJ 50033/162-2003 Semiconductor discrete device Detail specification of type 2CW1022 for silicon bidirectional voltage regulator diodes
SJ 20293-1993 detail specification for types JT54LS243,JT54LS245 of bus transceivers with three-state outputs LS-TTL semiconductor integrated circuits

CZ-CSN, two-way

CSN 22 5168-1953
CSN 73 1204-1986 Design of concrete two-way slabs
CSN 02 4730 Z1-1993
CSN 22 5191-1955
CSN 25 7840-1985 Bidirectional provers. Technical regulations
CSN 64 6710-1989 Biaxially oriented polypropylene ilm. Basic common regulations
CSN 20 0300 Cast.21-1986 Measurements of geometrical accuracy of maachine tools. Measuring methods. Perpendicularity of movements in two directions
CSN 02 4730-1985 Thurst ball bearings single and double di-rection
CSN 02 4730 Z2-1996 Rolling bearings. Trust ball bearings single and double direction

Professional Standard - Aerospace, two-way

QJ 566-1981 Two way solder tab
QJ 567-1981 Strip bidirectional solder lug
QJ 1145.4-1987 Welding fixture parts and components Hexagonal two-way nuts
QJ 940-1985 Type and size of two-way pilot electric globe valve
QJ 1000.56-1986 Two-way pressure plate for machine tool fixture parts and components process card
QJ 1145.4A-2007 Parts and components of welding fixture Part 4 Two-way reversible hex nuts

Professional Standard - Aviation, two-way

HB 414-1971 Two-way platen
HB 1495-1987 Two-way gripper
HB 1394-1985 Two-way clamp
HB 1394-1987 Two-way gripper
HB 3265-1979 Two-way ratchet wrench
HB 1654-1987 Two-way clamping jaws
HB 2061-1989 two-way lever actuator
HB 2061-1974 two-way lever actuator
HB 3265-1989 Two-way ratchet wrench crossbar A＝7；10
HB 7149.6-1995 Large-scale series of combined fixtures and bidirectional clamps
HB 7344.29-1996 Medium-sized pliers-type two-way positioning seat for fixture components for CNC machine tools
HB 7344.30-1996 Large pliers-type two-way positioning seat for fixture components for CNC machine tools
HB 7030.3-1994 General components of fixtures Positioning clamping parts Two-way slotted collets
HB 7030.4-1994 Fixture Universal Components Locating Clamping Parts Shoulder Bidirectional Slotted Collets

International Telecommunication Union (ITU), two-way

ITU-T Q.142-1988 Double seizing with both-way operation
ITU-T Q.108-1989 One-Way or Both-Way Operation of International Circuits - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 1 pp
ITU-T Q.108-1988 One-way or both-way operation of international circuits
ITU-T Q.108 FRENCH-1988 One-way or both-way operation of international circuits
ITU-T Q.108 SPANISH-1988 One-way or both-way operation of international circuits
ITU-T Q.142-1989 Double Seizing with Both-Way Operation - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
ITU-T Q.318-1988 Double Seizing with Both-Way Operation - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
ITU-T Q.263-1988 4.3 Double Seizing with Both-Way Operation - Specifications of Signalling System No. 6 (Study Group XI) 2 pp
ITU-R QUESTION 2507-2009 Application and improvement of two-way satellite time and frequency transfer (TWSTFT)
ITU-R QUESTION 250/7-2009 Application and improvement of two-way satellite time and frequency transfer (TWSTFT)
ITU-R OPINION 93-1995 Use of Communications Satellites for a Service of Two-Way Time and Frequency Transfer Question ITU-R 201/7
ITU-T G.774.1-2001 Synchronous Digital Hierarchy (SDH) - Bidirectional Performance Monitoring for the Network Element View Series G: Transmission Systems and Media, Digital Systems and Networks Digital Terminal Equipments - Operations, Administration and Maintenance Feature
ITU-R TF.1153-3-2010 The operational use of two-way satellite time and frequency transfer employing pseudorandom noise codes
ITU-R TF.1153-3 FRENCH-2010 The operational use of two-way satellite time and frequency transfer employing pseudorandom noise codes
ITU-R TF.1153-3 SPANISH-2010 The operational use of two-way satellite time and frequency transfer employing pseudorandom noise codes
ITU-R P.1412-1999 Propagation Data for the Evaluation of Coordination between Earth Stations Working in the Bidirectionally Allocated Frequency Bands
ITU-R P.1412 FRENCH-1999 Propagation Data for the Evaluation of Coordination between Earth Stations Working in the Bidirectionally Allocated Frequency Bands
ITU-R P.1412 SPANISH-1999 Propagation Data for the Evaluation of Coordination between Earth Stations Working in the Bidirectionally Allocated Frequency Bands
ITU-T G.9806 AMD 2-2021 Higher speed bidirectional, single fibre, point-to-point optical access system (HS-PtP); Amendment 2
ITU-R TF.1153-4-2015 The operational use of two-way satellite time and frequency transfer employing pseudorandom noise codes
ITU-R TF.1153-2-2003 The operational use of two-way satellite time and frequency transfer employing PN codes Question ITU-R 201/7

Xinjiang Provincial Standard of the People's Republic of China, two-way

DB65/T 2944-2008 bi.directional overturn plough

US-GSA, two-way

GSA A-A-2558 A-2003 DRILL, RATCHET (REVERSIBLE)

Professional Standard - Machinery, two-way

JB/T 4192-1996 Bi-directional thyristor
JB/T 9162.26-1999 Dual-direction transmitter for dial indicator.Dimensions
JB/T 7619-1994 Test method for two-way triple pole thyristors
JB/T 8010.16-1999 The parts and units of jigs and fixtures.Bidirection clamp plate
JB/T 11180-2011 Tow-way belt conveyer for mix and feed system of cupola
JB/T 6362-2007 Rolling Bearings Double-direction angular contact thrust ball bearings for machine-tool spindle
JB/T 6644-2007 Rolling bearings Combined needle roller bearings with double direction thrust roller bearings
JB/T 11505-2013 CPE-Bus of position encoders.Protocol specification for bidirectional serial communication
JB/T 6362-1995 Rolling bearings Bidirectional thrust angular contact ball bearings for machine tool spindles
JB/T 6362-2023 Rolling Bearings－Double-direction angular contact thrust ball bearings for machine-tool spindle
JB/T 6644-1993 Dimensions and tolerances of rolling bearing needle roller and double direction axial cylindrical roller combined bearings

YU-JUS, two-way

JUS N.R1.621-1983 Bi-directional triode thyristors (triacs). Measuring methods
JUS L.N4.052-1979 Control valves. Face-to-face dimensiom for flanged, two-way, globe type valves.
JUS M.C5.087-1987 Control valves. Facc-to-face dimensiorifor flanged, two-way, globe typevalves
JUS M.B5.136-1987 Pipe and rubber hoses connections. Quick connect. Two-ways reducing coupling. Assembly
JUS B.M2.210-1980 Support of mine openings. Vielding roadway type B for two-wqy and single - truck car
JUS M.B5.137-1987 Pipe and rubber hoses connections. Quick connect. Two-ways reducing coupling. Shape and dimensions

Indonesia Standards, two-way

SNI 05-3691-1995 Locate pins for jigs and fixtures
SNI ISO 17555:2011 Plastics - Film and sheeting - Biaxially oriented polypropylene (PP) films

ACI - American Concrete Institute, two-way

ACI SP-183-1999 The Design of Two-Way Slabs
ACI 435.9R-1991 State-of-the-Art Report on Control of Two-Way Slab Deflections
ACI SP-321-2017 Recent Developments in Two-Way Slabs: Design@ Analysis@ Construction@ and Evaluation
ACI 435.6R-1974 Deflection of Two-Way Reinforced Concrete Floor Systems: State- of-the-Art Report
ACI 340.4R-1991 Design Handbook Volume 3 Two-Way Slabs in Accordance with the Strength Design Method of ACI 318-89 (SP-17(91)(S))

Group Standards of the People's Republic of China, two-way

T/ZZB 1909-2020 CNC spring bidirectional grinding machines
T/TANMI 002-2020 Plastic biaxially oriented（BOP） net
T/ZZB 0308-2018 Bi-directional mobile and retractable seating stand
T/ZZB 1876-2020 Hydraulic dual pilot controlled check valve for construction machinery
T/WS 0001-2021 Matt biasially oriented polyester film
T/GDEIA 7-2019 Biaxially oriented polyester film for covering Iron
T/WS 0002-2021 Biaxially oriented polypropylene(BOPP) film for napkin packaging
T/CECS 822-2021 Technical specifications for variable cross-section two-way mixing piles
T/ZZB 0696-2018 Optical grade blue biaxially stretched polyester film
T/ZZB 2877-2022 Biaxially oriented polypropylene（BOPP） film for heat sealing
T/ZZB 2127-2021 Foodgrade Synchronous biaxially oriented nylon film
T/YKSL 001-2017 Biaxially oriented polypropylene (BOPP) food packaging bags
T/CQCBDS 0009-2018 Bidirectional Intelligent Proxy Requirement in IoT
T/CI 008-2022 Cam rocker bidirectional extrusion walnut shell breaking machine
T/GTIA 5.5-2016 Trading System Part 5: Two-Way Bidding Trading
T/GDEIA 14-2019 Biaxially-stretched polypropylene shrink film for cigarette packaging
T/SHBX 004-2023 Biaxially oriented polyamide/polyethylene laminated films and pouches for packaging
T/CQCBDS 0008-2018 Bidirectional Intelligent Proxy Specification of Headend Device in IoT
T/NJ 1361-2023 Technical requirements for agricultural and forestry tractors and mechanical two-way driving devices
T/CPSS 1001-2023 Technical specification of bidirectional AC-DC power module for lithium-based battery test
T/NBJNJ 001-2020 Highly transparent biaxially oriented polypropylene film pressure-sensitive adhesive tape for box sealing
T/CET 406-2023 Technical requirements for bi-directional DC/DC converter with echelon utilization battery energy storage
T/ZAS 2005-2022 Pipe conveyance dual lateralog logging tool
T/CES 069-2021 Technical specification for bidirectional converter of DC traction power supply for urban rail transits
T/SZAS 5-2018 Power lithium-ion battery application—Biaxial stretched separator Part2：Mechanical strength
T/SZAS 4-2018 Power lithium-ion battery application—Biaxial stretched separator Part1：Thickness uniformity
T/CSTM 00790.4-2022 Steel sheet for automobile -Part4: Cruciform test pieces for biaxial tensile testing
T/SZAS 6-2018 Power lithium-ion battery application—Biaxial stretched separator Part3：Thermal dimensional stability
T/CSEE 0213-2021 Test methods for low-voltage three-level AC/DC, DC/DC bidirectional converters
T/CECC 021-2023 Machine translation product capability evaluation—Chinese-English two-way machine translation requirements and evaluation methods

ECMA - European Association for Standardizing Information and Communication Systems, two-way

TR 53-1990 Handling of Bi-Directional Texts
TR 53-1992 Handling of Bi-Directional Texts (2nd Edition)

IETF - Internet Engineering Task Force, two-way

RFC 5880-2010 Bidirectional Forwarding Detection (BFD)
RFC 5357-2008 A Two-Way Active Measurement Protocol (TWAMP)
RFC 7880-2016 Seamless Bidirectional Forwarding Detection (S-BFD)
RFC 5015-2007 Bidirectional Protocol Independent Multicast (BIDIR-PIM)
RFC 7331-2014 Bidirectional Forwarding Detection (BFD) Management Information Base
RFC 5882-2010 Generic Application of Bidirectional Forwarding Detection (BFD)
RFC 8562-2019 Bidirectional Forwarding Detection (BFD) for Multipoint Networks
RFC 5883-2010 Bidirectional Forwarding Detection (BFD) for Multihop Paths
RFC 8563-2019 Bidirectional Forwarding Detection (BFD) Multipoint Active Tails
RFC 5881-2010 Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)
RFC 7419-2014 Common Interval Support in Bidirectional Forwarding Detection
RFC 5103-2008 Bidirectional Flow Export Using IP Flow Information Export (IPFIX)
RFC 7881-2016 Seamless Bidirectional Forwarding Detection (S-BFD) for IPv4@ IPv6@ and MPLS
RFC 8167-2017 Bidirectional Remote Procedure Call on RPC-over-RDMA Transports
RFC 6387-2011 GMPLS Asymmetric Bandwidth Bidirectional Label Switched Paths (LSPs)
RFC 7551-2015 RSVP-TE Extensions for Associated Bidirectional Label Switched Paths (LSPs)
RFC 5618-2009 Mixed Security Mode for the Two-Way Active Measurement Protocol (TWAMP)
RFC 7582-2015 Multicast Virtual Private Network (MVPN): Using Bidirectional P-Tunnels
RFC 7130-2014 Bidirectional Forwarding Detection (BFD) on Link Aggregation Group (LAG) Interfaces
RFC 7330-2014 Definitions of Textual Conventions (TCs) for Bidirectional Forwarding Detection (BFD) Management
RFC 7175-2014 Transparent Interconnection of Lots of Links (TRILL): Bidirectional Forwarding Detection (BFD) Support
RFC 7883-2016 Advertising Seamless Bidirectional Forwarding Detection (S-BFD) Discriminators in IS-IS
RFC 5884-2010 Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs) (Updates: 1122)
RFC 8186-2017 Support of the IEEE 1588 Timestamp Format in a Two-Way Active Measurement Protocol (TWAMP)
RFC 5938-2010 Individual Session Control Feature for the Two-Way Active Measurement Protocol (TWAMP) (Updates: 5357)
RFC 8564-2019 Support of Point-to-Multipoint Bidirectional Forwarding Detection (BFD) in Transparent Interconnection of Lots of Links (TRILL)
RFC 5885-2010 Bidirectional Forwarding Detection (BFD) for the Pseudowire Virtual Circuit Connectivity Verification (VCCV)
RFC 7885-2016 Seamless Bidirectional Forwarding Detection (S-BFD) for Virtual Circuit Connectivity Verification (VCCV)
RFC 6038-2010 Two-Way Active Measurement Protocol (TWAMP) Reflect Octets and Symmetrical Size Features
RFC 7884-2016 OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators
RFC 8537-2019 Updates to the Fast Reroute Procedures for Co-routed Associated Bidirectional Label Switched Paths (LSPs)
RFC 7717-2015 IKEv2-Derived Shared Secret Key for the One-Way Active Measurement Protocol (OWAMP) and Two-Way Active Measurement Protocol (TWAMP)
RFC 8545-2019 Well-Known Port Assignments for the One-Way Active Measurement Protocol (OWAMP) and the Two-Way Active Measurement Protocol (TWAMP)
RFC 7750-2016 Differentiated Service Code Point and Explicit Congestion Notification Monitoring in the Two-Way Active Measurement Protocol (TWAMP)
RFC 7886-2016 Advertising Seamless Bidirectional Forwarding Detection (S-BFD) Discriminators in the Layer Two Tunneling Protocol Version 3 (L2TPv3)

German Institute for Standardization, two-way

DIN 87901:2001 Sniffle valves for pumps
DIN 715:2011-02 Rolling bearings - Double direction thrust ball bearings
DIN 715:1987 Rolling bearings; double direction thrust ball bearings
DIN 715:2011 Rolling bearings - Double direction thrust ball bearings
DIN EN IEC 60534-3-1:2019-11 Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves (IEC 60534-3-1:2019); Ger...
DIN 625-3:1990 Rolling bearings; double row radial contact ball bearings
DIN 45635-1657:1983-08 Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double dimensions circular sawing machines
DIN 45635-1667:1988 Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double blade stroke circular sawing machines for cross cutting

Taiwan Provincial Standard of the People's Republic of China, two-way

CNS 7938-1996 Double Action Spring Hinges for Doors
CNS 8096-1981 Deep Groove Thrust Ball Bearings: Double - Thrust with Flat Seatings
CNS 8097-1981 Deep Groove Thrust Ball Bearings: Double - Thrust with Aligning Seat and Housing Washer with Aligning Seat

Professional Standard - Railway, two-way

TB/T 2771-1997 Two-way swing rail cutting machine
TB/T 1899-1987 ST1-600 Bidirectional Brake Shoe Gap Adjuster
TB 2130.7-1990 Technical requirements and test methods for two-way repeaters for train dispatching telephones
TB/T 2916-1998 General specification for two-way brake shoe clearance adjusters for railway vehicles
TB/T 2585-1995 ST&sub1;-600 type two-way brake shoe clearance adjuster test bench technical conditions

Professional Standard-Ships, two-way

CB/T 1018-1995 Marine two-way relief valve group

Defense Logistics Agency, two-way

DLA MS25100 REV K-2004 SWITCH, TOGGLE, TWO POLE, SEALED TOGGLE
DLA MS25201 REV L-2005 SWITCH, TOGGLE, TWO POLE, SEALED TOGGLE
DLA MS27407 REV D VALID NOTICE 3-2005 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED
DLA MS27407 REV D VALID NOTICE 2-2000 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED
DLA MS27407 REV D VALID NOTICE 1-1993 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED
DLA MS27407 REV D-1987 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED
DLA MS27717 REV F-2005 SWITCH, TOGGLE, MINIATURE, DOUBLE POLE, UNSEALED
DLA SMD-5962-88604 REV B-2007 MICROCIRCUIT, DIGITAL, BIPOLAR, BIDIRECTIONAL TRANSCEIVERS, MONOLITHIC SILICON
DLA MS53001 REV A VALID NOTICE 3-2005 SWITCH, BEAM SELECTING, HEADLIGHT-DPDT, NO OFF, 28 VOLT DC
DLA MS53001 REV A VALID NOTICE 2-2000 SWITCH, BEAM SELECTING, HEADLIGHT-DPDT, NO OFF, 28 VOLT DC
DLA MS53001 REV A-1968 SWITCH, BEAM SELECTING, HEADLIGHT-DPDT, NO OFF, 28 VOLT DC
DLA SMD-5962-87576 REV A-1992 MICROCIRCUITS, BIPOLAR, BIDIRECTIONAL I/O PORT, MONOLITHIC SILICON
DLA MS27719 REV G (1)-2006 SWITCH, TOGGLE, MINIATURE DOUBLE POLE, TOGGLE SEAL
DLA MS21958 REV D-2011 BODY, CLUSTER FITTING, TWO-WAY, 180掳, INTERNAL BOSS
DLA MS21959 REV D-2011 BODY, CLUSTER FITTING, TWO-WAY, 90掳, INTERNAL BOSS
DLA MS24659 REV F VALID NOTICE 3-2005 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS24659 REV F VALID NOTICE 2-2000 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS24659 REV F VALID NOTICE 1-1993 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS24659 REV F-1987 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS27408 REV D VALID NOTICE 3-2005 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS27408 REV D VALID NOTICE 2-2000 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS27408 REV D VALID NOTICE 1-1993 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA MS27408 REV D-1987 SWITCH, TOGGLE, TWO POLE, ENVIRONMENTALLY SEALED, LEVER LOCK
DLA DSCC-DWG-94029 REV C-2001 SEMICONDUCTOR DEVICE, DIODE, TRANSIENT SUPPRESSOR, ARRAY, BI-DIRECTIONAL
DLA MS27721 REV G VALID NOTICE 2-2005 SWITCH, TOGGLE, MINIATURE, DOUBLE POLE, TOGGLE SEAL, LEVER LOCK
DLA MS27721 REV G VALID NOTICE 1-2000 SWITCH, TOGGLE, MINIATURE, DOUBLE POLE, TOGGLE SEAL, LEVER LOCK
DLA MS27721 REV G VALID NOTICE 1-1993 SWITCH, TOGGLE, MINIATURE, DOUBLE POLE, TOGGLE SEAL, LEVER LOCK
DLA MS27721 REV G-1988 SWITCH, TOGGLE, MINIATURE, DOUBLE POLE, TOGGLE SEAL, LEVER LOCK
DLA MIL-DTL-23971/13 A NOTICE 1-2008 POWER DIVIDER/COMBINERS, 2-WAY, 180 DEGREES, SMA CONNECTORS
DLA MIL-DTL-23971/13A-2003 POWER DIVIDER/COMBINERS, 2-WAY, 180 DEGREES, SMA CONNECTORS
DLA SMD-5962-05221 REV D-2012 MICROCIRCUIT, DIGITAL, 1.6 TO 2.5 GBPS BIDIRECTIONAL TRANSCEIVER, MONOLITHIC SILICON
DLA SMD-5962-89507 REV C-2009 MICROCIRCUIT, LINEAR, HIGH SPEED CMOS, QUAD BILATERAL SWITCH, MONOLITHIC SILICON
DLA MIL-S-19500/438 VALID NOTICE 4-2011 Semiconductor Device, Triode Thyristor (Bi-Directional), Silicon, Types 2N5806 Through 2N5809
DLA MS26578 REV B NOTICE 1-2006 LIGHTS, MARKER, AIRPORT, SEMIFLUSH, BASE MOUNTED, BIDIRECTIONAL AND UNIDIRECTIONAL
DLA MS26578 REV B (1)-2002 LIGHTS, MARKER, AIRPORT, SEMIFLUSH, BASE MOUNTED, BIDIRECTIONAL AND UNIDIRECTIONAL
DLA MS26578 REV B-1982 LIGHTS, MARKER, AIRPORT, SEMIFLUSH, BASE MOUNTED, BIDIRECTIONAL AND UNIDIRECTIONAL
DLA SMD-5962-88654 REV A-2008 MICROCIRCUIT, DIGITAL, FAST CMOS, OCTAL, BIDIRECTIONAL TRANSCEIVERS, MONOLITHIC SILICON
DLA SMD-5962-86723 REV C-2001 MICROCIRCUIT, DIGITAL, BIPOLAR, OCTAL, 3-STATE, BIDIRECTIONAL, BUS TRANSCEIVER, MONOLITHIC SILICON
DLA SMD-5962-96786 REV A-2010 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, CMOS/TTL CONVERTER, 8-BIT, BIDIRECTIONAL, MONOLITHIC SILICON
DLA SMD-5962-91603 REV B-2008 MICROCIRCUIT, DIGITAL, ADVANCED CMOS, 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTER, MONOLITHIC SILICON
DLA SMD-5962-89545 REV B-2008 MICROCIRCUIT, DIGITAL, BIPOLAR, ADVANCED SCHOTTKY, 8-BIT BIDIRECTIONAL BINARY COUNTER, MONOLITHIC SILICON
DLA SMD-5962-90640 REV C-2003 MICROCIRCUIT, DIGITAL, CMOS, QUAD BILATERAL SWITCH, MONOLITHIC SILICON
DLA MIL-PRF-22710/24 B VALID NOTICE 2-2012 Switches, Rotary (Printed Circuit) (Toggle, Bidirectional, Sealed, Illuminated or Nonilluminated)Style SRPC24
DLA SMD-5962-84090 REV D-2005 MICROCIRCUIT, DIGITAL, HIGH-SPEED CMOS, QUAD THREE-STATE BIDIRECTIONAL TRANSCEIVER, MONOLITHIC SILICON
DLA MIL-PRF-22710/24 B-2001 SWITCHES, ROTARY (PRINTED CIRCUIT) (TOGGLE, BIDIRECTIONAL, SEALED, ILLUMINATED OR NONILLUMINATED)STYLE SRPC24
DLA SMD-5962-92177 REV C-2013 MICROCIRCUIT, DIGITAL, ADVANCED CMOS, 8-BIT BIDIRECTIONAL TRANSCEIVER WITH THREE-STATE OUTPUTS, MONOLITHIC SILICON
DLA SMD-5962-90502 REV A-2010 MICROCIRCUIT, DIGITAL, BIPOLAR, ADVANCED SCHOTTKY, TTL, 8-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER, MONOLITHIC SILICON
DLA SMD-5962-90502-1990 MICROCIRCUIT, DIGITAL, BIPOLAR, ADVANCED SHOTTKY TTL, 8-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER, MONOLITHIC SILICON
DLA SMD-5962-96786-1996 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, CMOS/TTL CONVERTER, 8-BIT, BIDIRECTIONAL, MONOLITHIC SILICON
DLA DSCC-VID-V62/12631-2012 MICROCIRCUIT, LINEAR, LOW VOLTAGE, 1.15 V TO 5.5 V, 4-CHANNEL, BIDIRECTIONAL LOGIC LEVEL TRANSLATOR, MONOLITHIC SILICON

U.S. Military Regulations and Norms, two-way

ARMY MIL-P-44403-1990 PASSAGEWAY, COMPLEXING KIT

Korean Agency for Technology and Standards (KATS), two-way

KS F 7003-2022 Test method for bi-directional pile load test
KS B ISO 15794-2008(2013) Bi-directional and multi-directional fork-lift trucks－Stability tests
KS B ISO 15794:2008 Bi-directional and multi-directional fork-lift trucks-Stability tests
KS B 7737-2001(2011) Dimensions of landside bottoms of two－way oriental plows for agricultural tractors
KS C 5515-1976(2018)
KS C 5208-1980(2000) RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (LOW CURRENT)
KS C 5208-1980 RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (LOW CURRENT)
KS M ISO 15987-2017(2022) Plastics - Film and sheeting - Biaxially oriented polyamide(nylon) films
KS M ISO 17555-2012(2017) Plastics－Film and sheeting－ Biaxially oriented polypropylene(PP) films
KS M ISO 17555-2012(2022) Plastics－Film and sheeting－ Biaxially oriented polypropylene(PP) films
KS C IEC 62909-1:2019 Bi-directional grid-connected power converters —Part 1: General requirements
KS B ISO 22915-7:2010 Industrial trucks-Verification of stability-Part 7:Bidirectional and multidirectional trucks
KS B ISO 22915-7-2015(2020) Industrial trucks－Verification of stability－Part 7：Bidirectional and multidirectional trucks
KS B ISO 22915-7:2015 Industrial trucks－Verification of stability－Part 7：Bidirectional and multidirectional trucks
KS C 5208-2002 RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (LOW CURRENT)
KS C 5209-1980(2000) RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (HIGH AND MEDIUM CURRENT)
KS C 5209-1980 RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (HIGH AND MEDIUM CURRENT)
KS M ISO 15988-2017(2022) Plastics - Film and sheeting - Biaxially oriented poly(ethyleneterephthalate) (PET) films
KS X ISO/IEC 14476-3:2014 Information technology — Enhanced communications transport protocol — Part 3: Specification of duplex multicast transport
KS X ISO/IEC 14476-3:2009 Information technology-Enhanced communications transport protocol-Part 3:Specification of duplex multicast transport
KS F 7003-2016(2021) Standard test method for bi-directional pile load test of large-diameter drilled shafts
KS C 5209-2002 RELIABILITY ASSURED BI-DIRECTIONAL TRIODE THYRISTORS (HIGH AND MEDIUM CURRENT)
KS C IEC 60747-6-2:2006 Semiconductor devices－Discrete devices－Part 6：Thyristors－Section two：Blank detail specification for bidirectional triode thyristors(triacs), ambient or case-rated, up to 100 A
KS C IEC 62909-2:2020 Bi-directional grid-connected power converters —Part 2: Interface of GCPC and distributed energy resources
KS F 7003-2016 Standard test method for bi-directional pile load test of large-diameter drilled shafts
KS C IEC 60534-3-1-2004(2009) Industrial-process control valves－Part 3-1：Dimensions－Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle p

HU-MSZT, two-way

FI-SFS, two-way

SFS 9005-1987 Shipbuilding. Double nipples. Forged

SE-SIS, two-way

SIS 84 10 11-1971 Flat two-way entry pallets 400 x 500
SIS SS 3482-1983 Woodworking machines - Measurement of noise- Operating conditions for double-end tenoning and profiling machines

IX-ECMA, two-way

ECMA TR 53-1992 Handling of Bi-Directional Texts (2nd Edition)

Aerospace Industries Association/ANSI Aerospace Standards, two-way

AIA/NAS NASM17989-1999 Pin, quick release, self-retaining, positive locking, double acting,"L" handle
AIA/NAS NASM17990-1998 Pin, quick release, positive locking, double acting, ring handle

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, two-way

GB/T 51264-2017 Biaxially stretched film plant design
GB/T 32021-2015 Biaxially oriented polypropylene matt film
GB/T 16958-1997 Biaxially oriented polyester film for package
GB/T 16719-1996 Biaxially oriented polystyrene (BOPS) sheet
GB/T 16719-2008 Biaxially oriented polystyrene(BOPS)sheet
GB/T 16958-2008 Biaxially oriented polyester film for package
GB/T 20218-2006 Biaxially oriented polyamide (nyoln) film
GB/T 12026-2000 Biaxially oriented polypropylene film for heat--seal
GB/T 10003-1996 Biaxially oriented polypropylene plain film
GB/T 26190-2010 Biaxially oriented polystyrene window film
GB/T 26191-2010 Biaxially oriented polystyrene twist film
GB/T 26708-2011 Laser holographic anti-counterfeiting biaxially oriented polypropylene film
GB/T 26691-2011 Modified polyvinyl alcohol coated biaxially oriented film
GB/T 10003-2008 Biaxially orientaed polypropylene(BOPP) film for general use
GB/T 26690-2011 Acrylic coated biaxially oriented polypropylene film
GB/T 26192-2010 Coatable biaxially oriented polypropylene film for synthetic paper
GB/T 31105-2014 Biaxially oriented polypropylene both sides coated film with diversified coating materials
GB/T 22378-2008 Pressure sensitive adhesives tapes of BOPP for general purpose
GB/T 239.2-2023 Wire rods of metallic materials - Part 2: Test methods for bidirectional torsion
GB/T 239.2-2012 Metallic materials.Wire.Part 2:Reverse torsion test
GB/T 10005-1998 Biaxially oriented polypropylene laminated polyethylene (BOPP/LDPE) films and pouches
GB/T 25768-2010 Rolling bearing.Combined needle roller bearings with double direction thrust cylindrical roller bearings
GB/T 36024-2018 Metallic materials.Sheet and strip.Biaxial tensile testing method using a cruciform test piece
GB/T 38719-2020(英文版) Metallic materials Tube Determination of biaxial stress strain curve of tube by hydro bulging test
GB/T 13150-1991 Blank detail specification for bidirectional triode thyristors,ambient or case-rated,above 100A
GB 13150-1991 Blank detail specification for bidirectional triode thyristors, ambient or case-rated, above 100A
GB/T 10708.2-2000 Reciprocating rubber seals-Types,dimensions and tolerances-Part 2:Rubber seals on two-way

IN-BIS, two-way

Japanese Industrial Standards Committee (JISC), two-way

JIS F 2051:1976 Double type cross bitts for tug boat
JIS B 0119:1992 Hydraulic turbines and reversible pump turbines -- Vocabulary
JIS B 8103:1989 Methods for model tests of hydraulic turbine and reversible pump-turbine
JIS C 2322:2011 Balanced biaxially oriented polyethylene naphthalate films used for electrical purposes
JIS B 0119:2009 Glossary of terms for hydraulic turbines and reversible pump-turbines
JIS C 7233:1978 Reliability assured bi-directional triode thyristors (low current)
JIS Z 2257:2021 Biaxial tensile testing method for sheet metals using a cruciform test piece
JIS C 7234:1978 Reliability assured bi-directional triode thyristors (high and medium current)
JIS K 7083:1993 Testing method for constant-load amplitude tension-tension fatigue of carbon fibre reinforced plastics
JIS C 2330:2001 Biaxially oriented polypropylene (PP) films for capacitors

US-FCR, two-way

FCR VA 27 32 41-2011 TWO-WAY RADIO EQUIPMENT AND SYSTEMS
FCR FED H-08-1 SEC 16735-2004 TWO WAY RADIO EQUIPMENT AND SYSTEMS
FCR UFGS-27 05 13.00 10-2006 TWO-WAY RADIO DATA ETHERNET TRANSMISSION SYSTEM

AT-ON, two-way

ONORM M 9810 Teil.6-1986 Stability of lift trucks; bi-directional and multi-directional trucks

ZA-SANS, two-way

SANS 15794:2007 Bi-directional and multi-directional fork-lift trucks - Stability tests

TH-TISI, two-way

TIS 572-1985 Standard for A.C. electric double.oscillating type fans

RU-GOST R, two-way

GOST 7872-1989 Single and double direction thrust ball bearings. Specification
GOST 22375-1977 Dual-sided leaves fixed by screws and rivets. Design and sizes
GOST R 50434-1992 Industrial asynchronous date link and physical layer. Physical interconnection and two-way alternate communication
GOST 4252-1975 Double-row angular ball bearings. Basic dimensions
GOST R 56952-2016 Digital Video Broadcasting. System TV-Anytime. Delivery of metadata over a bi-directional network. Basic parameters

Yunnan Provincial Standard of the People's Republic of China, two-way

DB53/T 80-2008 Biaxially Oriented Polypropylene Film For Cigarette Packing
DB53/T 080-1999 Biaxially oriented polypropylene film for cigarette packaging

Professional Standard - Light Industry, two-way

QB/T 2666-2004 Packing label of biaxially oriented polypropylene plain film
QB/T 2889-2007 Biaxially Oriented Polypropylene (BOPP) thermal film
QB/T 5002-2016 Biaxially oriented polytetrafluoroethylene membrane for filtration
QB/T 4634-2014 Bread bags made of polypropylene (PP) film or biaxially oriented polypropylene (BOPP) film
QB/T 1871-1993 Biaxially stretched nylon (BONY)/low-density polyethylene (LDPE) composite film, bag
QB/T 4635-2014 Biaxially oriented polyamide (BOPA) and low density polyethylene (PE-LD) laminated film bag-in-box

Association Francaise de Normalisation, two-way

NF U21-011:1975 Soil working equipement-reversible carried plough-nomenclature.
NF C46-510-3-1*NF EN IEC 60534-3-1:2019 Industrial-process control valves - Part 3-1 : dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves
NF C53-909-1*NF EN IEC 62909-1:2018 Bi-directional grid-connected power converters - Part 1 : general requirements
NF H96-316-7*NF ISO 22915-7:2016 Industrial trucks - Verification of stability - Part 7 : bidirectional and multidirectional trucks
NF ISO 22915-7:2016 Chariots de manutention - Vérification de la stabilité - Partie 7 : chariots bidirectionnels et multidirectionnels
NF EN IEC 62909-1:2018 Convertisseurs de puissance connectés aux réseaux bidirectionnels - Partie 1 : exigences générales
NF F72-011:1991 Railway fixed equipment. Data processing. Bidirectional serial asynchronus transmission procedure type "multipoint".
NF C53-909-2*NF EN IEC 62909-2:2019 Bi-directional grid-connected power converters - Part 2 : interface of GCPC and distributed energy resources
NF F72-010:1991 Fixed railway equipment. Data processing. Bidirectionnal serial asynchronus transmission procedures type "point to point".
NF C97-204:1990 Systèmes audio, vidéo et audiovisuels - Connecteurs pour les projecteurs de diapositives équipés de triacs, pour application audiovisuelle
NF EN IEC 62909-2:2019 Convertisseurs de puissance connectés aux réseaux bidirectionnels Partie 2 : interface du GCPC avec les ressources énergétiques réparties
NF EN 301466:2016 Caractéristiques techniques et méthodes de mesurage pour radiotéléphones VHF bidirectionnels à installation fixe dans un canot de sauvetage (V1.2.1)
NF Z84-566*NF EN 301466:2016 Technical characteristics and methods of measurement for two-way VHF radiotelephone apparatus for fixed installation in survival craft (V1.2.1)

Professional Standard-Packaging, two-way

BB/T 0002-2008 Biaxial orientation polypropylene pearl films
BB/T 0002-1994 Biaxially oriented polypropylene pearlescent film
BB/T 0077-2018 Two-way heat-shrinkable polyester film for packaging

PL-PKN, two-way

PN BN 9311-07-1966

国家市场监督管理总局、中国国家标准化管理委员会, two-way

GB/T 20218-2021 Biaxially oriented polyamide (nylon) film
GB/T 37828-2019 Bidirectional metal to metal sealed butterfly valve for urban heating
GB/T 39572.1-2020 Bi-directional grid-connected power converters—Part 1: General requirements

American Concrete Institute, two-way

ACI 421.3R-2015 Guide to Design of Reinforced Two-Way Slab Systems
ACI SP-17-1997 Design Handbook: Beams, One-Way Slabs, Brackets, Footings, Pile Caps, Columns, Two-Way Slabs, and Seismic Design

工业和信息化部, two-way

QB/T 5708-2022 Biaxially oriented polypropylene anti-fog film
QB/T 5709-2022 Biaxially oriented polyester film for metal composites
QB/T 5710-2022 Primer-free biaxially oriented polypropylene pre-coated base film
WJ/T 1445-2014 Pneumatic two-way clamping clamp base and its parts and components
HG/T 6102-2022 General purpose biaxially oriented polypropylene film pressure sensitive adhesive tape
YD/T 2759.2-2020 Single fiber bidirectional optical transceiver module Part 2: 25Gb/s
YD/T 2759.3-2021 Single fiber bidirectional optical transceiver module Part 3: 50Gb/s
WJ/T 1443-2014 Clamp base and its parts and components Manual bidirectional eccentric clamping clamp base
QB/T 5076-2017 Heat sealable biaxially oriented polyethylene terephthalate film
YD/T 4020.1-2022 Single-fiber bidirectional wavelength division multiplexer for metropolitan area access Part 1: DWDM
QB/T 5077-2017 Biaxially oriented polyethylene terephthalate film for thermal transfer ribbons

Society of Automotive Engineers (SAE), two-way

SAE AS21943A-2015 BODY, CLUSTER FITTING, TWO WAY 90°, FLARELESS
SAE AS21943-2004 BODY, CLUSTER FITTING, TWO WAY, 90°, FLARELESS
SAE AS21944C-2023 BODY, CLUSTER FITTING, TWO WAY, 180°, FLARELESS
SAE AS21944-2004 BOLT, CLUSTER FITTING, TWO WAY, 180°, FLARELESS
SAE AS21944B-2015 BODY, CLUSTER FITTING, TWO WAY, 180°, FLARELESS

Guangdong Provincial Standard of the People's Republic of China, two-way

DB44/T 1287-2014 Biaxially oriented polyester film for heat transfer
DB4403/T 342-2023 Technical specifications for orderly charging of electric vehicle charging and swapping facilities and V2G two-way energy interaction

国家能源局, two-way

NB/T 51077-2017 Biaxially stretched plastic mesh for underground coal mines
NB/T 42159-2018 Three-level AC/DC bidirectional converter technical specifications
NB/T 42160-2018 Three-level DC/DC bidirectional converter technical specifications

Military Standard of the People's Republic of China-General Armament Department, two-way

GJB 9209-2017 Satellite two-way time and frequency transmission requirements
GJB 33/18-2011 Semiconductor optoelectronic device.Detail specification for type GO417 bidirectional analog switch semiconductor photocoupler

British Standards Institution (BSI), two-way

BS ISO 15794:2001 Bi-directional and multi-directional fork-lift trucks - Stability tests
BS EN IEC 62909-1:2018 Bi-directional grid connected power converters. General requirements
BS ISO 22915-7:2009 Industrial trucks - Verification of stability - Bidirectional and multidirectional trucks
BS ISO 22915-7:2016 Tracked Changes. Industrial trucks. Verification of stability. Bidirectional and multidirectional trucks
BS EN IEC 62909-2:2019 Bi-directional grid-connected power converters - Interface of GCPC and distributed energy resources
20/30408333 DC BS ISO 17555. Plastics. Film and sheeting. Biaxially oriented polypropylene (PP) films
BS ISO 17555:2021 Tracked Changes. Plastics. Film and sheeting. Biaxially oriented polypropylene (PP) films
BS EN IEC 60534-3-1:2019 Tracked Changes. Industrial-process control valves. Dimensions. Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves
BS ISO 16842:2014 Metallic materials. Sheet and strip. Biaxial tensile testing method using a cruciform test piece
21/30419209 DC BS EN IEC 62909-3. Bi-directional grid connected power converters. Part 3. EMC requirements and test methods
BS ISO/IEC 29341-19-10:2011 Information technology. UPnP device architecture - Solar Protection Blind Device Control Protocol. Two Way Motion Motor Service
BS EN 60674-3-1:1998+A1:2011 Plastic films for electrical purposes. Specifications for individual materials. Sheet 1: Biaxially oriented polypropylene (PP) films for capacitors
BS EN 12929-2:2015 Safety requirements for cableway installations designed to carry persons. General requirements. Additional requirements for reversible bicable aerial ropeways without carrier truck brakes
BS EN 12929-2:2004 Safety requirements for cableways installations designed to carry persons - General requirements - Additional requirements for reversible bi-cable aerial ropeways without carrier truck brakes

International Organization for Standardization (ISO), two-way

ISO 15794:2001 Bi-directional and multi-directional fork-lift trucks - Stability tests
ISO/TS 19072-5:2019 Road vehicles — Connection interface for pyrotechnic devices, two-way and three-way connections — Part 5: Pyrotechnic device and harness connector assembly - type 3 (only two-way)
ISO 22915-7:2009 Industrial trucks - Verification of stability - Part 7: Bidirectional and multidirectional trucks
ISO 22915-7:2016 Industrial trucks - Verification of stability - Part 7: Bidirectional and multidirectional trucks
ISO 15078:1998 Machinery for forestry - Log loaders - Location and method of operation of two-lever operator controls
ISO 16842:2014 Metallic materials - Sheet and strip - Biaxial tensile testing method using a cruciform test piece
ISO 16842:2021 Metallic materials - Sheet and strip - Biaxial tensile testing method using a cruciform test piece
ISO 19072-1:2019 Road vehicles — Connection interface for pyrotechnic devices, two-way and three-way connections — Part 1: Pocket interface definition

Professional Standard - Post and Telecommunication, two-way

YD/T 2759-2014 10Gbit/s single fiber Bi-directional optical transceiver module
YD/T 1318-2004 Technical condition of 1310nm/1550nm single fiber bi-directional assembly (module) for short reach
YD/T 2759.4-2023
YD/T 4020.4-2023
YD/T 1419.1-2005 Technical conditions of Triplexer optical assembly for access network Part 1: General characteristics of Triplexer optical assembly for Broadband passive optical network (BPON) light network unit (ONU)
YD/T 2447-2013 IP network reliability.Technical requirements for bidirectional forwarding detection
YD/T 1419.3-2006 Technical conditions of triplexer optical assembly for access network Part 3: General characteristics of triplexer optical assembly for GPON ONU
YD/T 2652-2013 10G GPON Optical Line Terminal/Optical Network Unit (OLT/ONU) single-fiber bidirectional optical component
YD/T 2286-2011 Single fiber bi-directional subassembly for 10Gbit/s EPON OLT/ONU
YD/T 1419.2-2005 Technical conditions of Triplexer optical assembly for access network Part 2: General characteristics of Triplexer optical assembly for Ethernet passive optical network (EPON) light network unit (ONU)
YD/T 1526.1-2006 Technical specifications of single fiber Bi-Directional Triplexer optical Transceiver for access network. Part 1: single fiber Bi-Directional Triplexer optical Transceiver for BPON ONU
YD/T 1526.3-2009 Technical specifications of single fiber Bi-Directional Triplexer optical transceiver for access network.Part 3:single fiber Bi-Directional Triplexer optical transceiver for GPON ONU
YD/T 1998.2-2009 Technical specification of single fiber Bi-directional subassembly for access network.Part 2:optical subassembly for GPON
YD/T 1526.2-2007 Technical Specifications of Single Fiber Bi-Directional Triplexer Optical Transceiver for Access Network Part 2:Single Fiber Bi-Directional Triplexer Optical Transceiver for EPON ONU

Professional Standard - Construction Industry, two-way

JGJ 171-2009 Design specification for cast-in-place piles with expanded branches and bells by 3-way extruding arms

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, two-way

GB/T 34849-2017 Biaxially oriented polystyrene heat shrinkable film

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications, two-way

CEPT T/CS 49-06-1984 Procedures De Signalisation De Commande D'Appel Du Systeme L1 Multifequence A Boutons-Poussoirs Bidirectionel
CEPT T/CS 49-06 E-1986 System L1 MFPB Bidirectional Call Control Signalling Procedures

国家铁路局, two-way

TB/T 2916-2017 Two-way brake shoe gap adjuster for railway vehicles

Professional Standard - Textile, two-way

FZ/T 97028-2012 Biaxial warp knitting machine
FZ/T 64037-2014 Biaxial warp-knitted base fabric for tent
FZ/T 64060-2016 Adhesive-bonded bi-axial knitted interlinings
FZ/T 64037-2013 Biaxial warp knitted base fabric for tents
FZ/T 64019-2011 Biaxial warp-knitted base fabric for lamp-box advertisement

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, two-way

QUESTION 250/7-2009 Application and improvement of two-way satellite time and frequency transfer (TWSTFT)
ITU-R TF.1153-1-1997 Operational Use of Two-Way Satellite Time and Frequency Transfer Employing PN Codes
ITU-R TF.1153-1995 Operational Use of Two-Way Satellite Time and Frequency Transfer Employing PN Codes
OPINION 93-1995 Use of Communications Satellites for a Service of Two-Way Time and Frequency Transfer (Question ITU-R 201/7)

Professional Standard - Electricity, two-way

DL/T 533-1993 Radio Load Control Two-way Terminal Technical Conditions

Jiangsu Provincial Standard of the People's Republic of China, two-way

DB32/T 3642-2019 Technical specification for two-way mixing powder injection pile composite foundation

Hebei Provincial Standard of the People's Republic of China, two-way

DB13/T 2306-2015 Biaxially oriented polypropylene coating-free synthetic paper film

Jilin Provincial Standard of the People's Republic of China, two-way

DB22/T 1926-2013 Photoelectric encoder two-way data communication interface protocol

Professional Standard - Military and Civilian Products, two-way

WJ 1445-1985 Pneumatic two-way clamping clamp base and its parts and components
WJ 1443-1985 Clamp base and its parts and components manual bidirectional eccentric clamping clamp base

Professional Standard - Recommended Standards for Engineering Construction, two-way

CECS 224-2007 Technical specification for application of energy-saving bathroom with two-way heat collecting technology

Shandong Provincial Standard of the People's Republic of China, two-way

DB37/T 4507-2022 Technical specifications for two-way eight-lane long-span tunnels
DB37/T 3274.1-2020 Solar Greenhouse Construction Technical Specifications Part 1: Two-way

Danish Standards Foundation, two-way

DS/EN 60534-3-1:2001 Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves
DS/ISO 17555:2021 Plastics – Film and sheeting – Biaxially oriented polypropylene (PP) films
DS 95:1933 Tangential keys and keyways for bidirectional torque. Shaft diameter and corresponding keyway section

United States Navy, two-way

NAVY MS25439 REV A-1964 SPLICE-PERMANENT CRIMP STYLE, 2 WAY TYPE FOR ALUMINUM AIRCRAFT WIRE, CLASS 1
NAVY MIL-P-21875-1969 PALLET, MATERIAL HANDLING, WOOD, DRUM HANDLING, 48 INCHES LONG BY 72 INCHES WIDE, 2-WAY ENTRY

European Committee for Electrotechnical Standardization（CENELEC）, two-way

EN IEC 62909-1:2018 Bi-directional grid-connected power converters - Part 1: General requirements

International Electrotechnical Commission (IEC), two-way

IEC 62909-1:2017 Bi-directional grid-connected power converters - Part 1: General requirements
IEC 60534-3-1:2019 Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, an

KR-KS, two-way

KS C IEC 62909-1-2019 Bi-directional grid-connected power converters —Part 1: General requirements
KS C IEC 62909-2-2020 Bi-directional grid-connected power converters —Part 2: Interface of GCPC and distributed energy resources

ES-UNE, two-way

UNE-EN IEC 62909-1:2018 Bi-directional grid-connected power converters - Part 1: General requirements (Endorsed by Asociación Española de Normalización in March of 2018.)
UNE-EN IEC 60534-3-1:2019 Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves (Endorsed by Asociación ...
UNE-EN IEC 62909-2:2019 Bi-directional grid-connected power converters - Part 2: Interface of GCPC and distributed energy resources (Endorsed by Asociación Española de Normalización in June of 2019.)

IT-UNI, two-way

UNI ISO 22915-7:2020 Industrial trucks - Verification of stability - Part 7: Bidirectional and multidirectional trucks
UNI 3479-1954

Underwriters Laboratories (UL), two-way

UL 9741 BULLETIN-2014 UL Outline of Investigation for Bidirectional Electric Vehicle (EV) Charging System Equipment
UL SUBJECT 9741-2014 UL Outline of Investigation for Bidirectional Electric Vehicle (EV) Charging System Equipment (Issue 1)
UL 2524 BULLETIN-2017 UL Outline for Investigation In-building 2-Way Emergency Radio Communication Enhancement Systems
UL 2524-2019 UL STANDARD FOR SAFETY In-building 2-Way Emergency Radio Communication Enhancement Systems (Second Edition)
UL SUBJECT 2524-2017 UL Outline for Investigation In-building 2-Way Emergency Radio Communication Enhancement Systems (Issue 1)

RTCA - RTCA@ Inc., two-way

RTCA DO-219-1993 Minimum Operational Performance Standards (MOPS) For ATC Two-Way Data Link Communications

机械工业部, two-way

JB/T 6362-1992 Rolling bearing bidirectional thrust angular contact ball bearing dimensions

(U.S.) Telecommunications Industries Association , two-way

TIA TSB-38-1994 Test Procedure for Evaluation of 2-Wire 4-Kilohertz Voiceband Duplex Modems
TIA TSB-159-2006 Private Land Mobile Radio Two-Way Mobile Equipment Radio Frequency (RF) Electromagnetic Exposure (EME) Test Report Guidelines
TIA TSB-150-2004 Private Land Mobile Radio Two-Way Portable Equipment RF Exposure (EME) Test Report Guidelines
TIA PN 3-3175-RV1-2005 Test Procedure for Evaluation of 2*Wire 4*Kilohertz Voiceband Duplex Modems To be published as TIA TSB-38-A

AENOR, two-way

UNE-EN 60534-3-1:2001 Industrial-process control valves -- Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves.

American Society for Testing and Materials (ASTM), two-way

ASTM D8169/D8169M-18 Standard Test Methods for Deep Foundations Under Bi-Directional Static Axial Compressive Load
ASTM D816-06(2016) Standard Test Methods for Rubber Cements

Professional Standard - Radio Television Film, two-way

GY/T 185-2002 Specifications and methods of measurement on two-way amplifiers used in CATV systems
GY/T 195-2003 Specifications and methods of measurement on two-way subscriber port used in CATV systems

AASHTO - American Association of State Highway and Transportation Officials, two-way

TP 100-2012 Standard Method of Test for Deep Foundation Elements under Bidirectional Static Axial Compressive Load

The American Road & Transportation Builders Association, two-way

AASHTO TP 100-2012 Standard Method of Test for Deep Foundation Elements under Bidirectional Static Axial Compressive Load

American National Standards Institute （ANSI), two-way

ANSI/IEEE 1284:2000 Signaling Method for a Bi-Directional Parallel Periperal Interface for Personal Computers
ANSI/IEEE Std1284:1994 Signaling Method for a Bi-Directional Parallel Periperal Interface for Personal Computers / Note: Approved 1994-09-02.

Institute of Electrical and Electronics Engineers (IEEE), two-way

IEEE 1284-2000 Signaling method for a bidirectional parallel peripheral interface for personal computers
IEEE 1284-1994 Signaling method for a bidirectional parallel peripheral interface for Personal Computers
IEEE Std 1284-2000 IEEE Standard Signaling Method for a Bidirectional Parallel Peripheral Interface for Personal Computers
IEEE Std 1284-1994 IEEE Standard Signaling Method for a Bidirectional Parallel Peripheral Interface for Personal Computers
IEEE 802.3CP-2021 Ethernet Amendment 14: Bidirectional 10 Gb/s, 25 Gb/s, and 50 Gb/s Optical Access PHYs (IEEE Computer Society)
IEEE 2030.1.1-2021 IEEE Standard for Technical Specifications of a DC Quick and Bidirectional Charger for Use with Electric Vehicles
IEEE P2030.1.1/D2, June 2021 IEEE Draft Standard Technical Specifications of a DC Quick and Bi-directional Charger for Use with Electric Vehicles
IEEE Std 2030.1.1-2021 IEEE Standard for Technical Specifications of a DC Quick and Bidirectional Charger for Use with Electric Vehicles - Redline
IEEE P2030.1.1/D1, February 2021 IEEE Draft Standard Technical Specifications of a DC Quick and Bi-directional Charger for Use with Electric Vehicles
IEEE P802.3cp/D3.0, January 2021 IEEE Draft Standard for Ethernet Amendment: Bidirectional 10 Gb/s, 25 Gb/s, and 50 Gb/s Optical Access PHYs
IEEE P2030.1.1/D4, September 2021 IEEE Approved Draft Standard Technical Specifications of a DC Quick and Bi-directional Charger for Use with Electric Vehicles
IEEE Std 802.3cp-2021 IEEE Standard for Ethernet -- Amendment 14: Bidirectional 10 Gb/s, 25 Gb/s, and 50 Gb/s Optical Access PHYs

Standard Association of Australia （SAA）, two-way

AS 1851.10:1989 Maintenance of fire protection equipment - Emergency warning and intercommunication systems

Professional Standard - Chemical Industry, two-way

HG/T 2129.25-1991 Two-way equal-diameter pipe joints for chemical equipment parts made of acid-resistant phenolic plastics

National Electrical Manufacturers Association（NEMA), two-way

NEMA ERCES 1-2021 In-Building Two-Way Emergency Responder Communications Enhancement Systems (ERCES) White Paper

国家发展和改革委员会, two-way

SY/T 6588-2003 Calibration method of dual laterologging tools

European Telecommunications Standards Institute (ETSI), two-way

ETSI ETR 052-1993 Terminal Equipment (TE); Service Intercommunication Requirements for Teletex Terminal Equipment
ETSI EN 301 466-2015 Technical characteristics and methods of measurement for two-way VHF radiotelephone apparatus for fixed installation in survival craft (V1.2.1)

Professional Standard - Pharmaceutical Packaging, two-way

YBB 0019-2002 ShuangxianglashenJubingxi/DimidujuyixiYaopinbaozhuangyong Fuhemo、Dai Laminated Films and Pouches (BOPP/LDPE) for Pharmaceutical Packaging
YBB 0019(02)-2002 Biaxially oriented polypropylene/low-density polyethylene composite film and bag for pharmaceutical packaging (trial implementation)
YBB 0019-2004 Laminated Films and Pouches (BOPP/VMCPP) for Pharmaceutical Packaging

Consumer Electronics Association （U.S.), two-way

CEA-819-A-2002 Cable Compatibility Requirements for Two-way Digital Cable TV Systems

Professional Standard - Automobile, two-way

QC/T 835-2010 Fixed displacement compressor assembly with double headed swash plate for automobile air conditioning system

卫生健康委员会, two-way

WS/T 790.16-2021 Regional Health Information Platform Interaction Standard Part 16: Two-Way Referral Services

Lithuanian Standards Office , two-way

LST EN 60534-3-1+AC-2002 Industrial-process control valves -- Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves (IEC 60534-3-1:2000)

CENELEC - European Committee for Electrotechnical Standardization, two-way

EN IEC 62909-2:2019 Bi-directional grid-connected power converters - Part 2: Interface of GCPC and distributed energy resources

Professional Standard - Commodity Inspection, two-way

SN/T 3033-2011 Analysis of edible bird's nest product by molecular biological methods.Real-time PCR and 2DGE

SAE - SAE International, two-way

SAE AS5370-2002 Multi-Transmitter Bidirectional Fiber-Optic Data Bus for Distributed Aircraft Control Systems
SAE AS5370A-2011 Multi-Transmitter Bidirectional Fiber-Optic Data Bus for Distributed Aircraft Control Systems

PT-IPQ, two-way

NP EN 1597-2-2000 Welding consumables Test methods Part 2:Preparation of test piece for single-run and two-run techinique test specimens in steel

European Standard for Electrical and Electronic Components, two-way

CECC 90 109- 814 ISSUE 1-1988 Digital Integrated Circuits in Accordance with FS 90 109; 54/74 HC 4016; Quad Bilateral Analog Switches (En, Fr)

ETSI - European Telecommunications Standards Institute, two-way

TR 101 037-1997 Radio Equipment and Systems (RES); European Radio MEssaging Service (ERMES); Two Way Paging System (V1.1.1)
ETSI EN 301 466:2015 Technical characteristics and methods of measurement for two-way VHF radiotelephone apparatus for fixed installation in survival craft (V1.2.1)

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, two-way

ITU-T G.698.4-2018 Multichannel bi-directional DWDM applications with port agnostic single-channel optical interfaces (Study Group 15)

TIA - Telecommunications Industry Association, two-way

TSB-150-2004 Private Land Mobile Radio Two-Way Portable Equipment RF Exposure (EME) Test Report Guidelines

Zhejiang Provincial Standard of the People's Republic of China, two-way

DB33/ 2215-2019 Biaxially Oriented Polypropylene (BOPP) Film Comparable Unit Product Comprehensive Energy Consumption Limit and Calculation Method