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Aperture

Aperture, Total:464 items.

In the international standard classification, Aperture involves: Linear and angular measurements, Particle size analysis. Sieving, Machine tools, Cutting tools, Fasteners, Photography, Shipbuilding and marine structures in general, Screw threads, Document imaging applications, Valves, Products of the textile industry, Fasteners for aerospace construction, Equipment for the chemical industry, Fibre optic communications, Special measuring equipment for use in telecommunications, Analytical chemistry, Protection of and in buildings, Refractories, Fluid power systems, Paper and board, Shafts and couplings, Vacuum technology, Installations in buildings, Aerosol containers, Pipeline components and pipelines, Iron and steel products, Cellular materials, Dentistry, Cans. Tins. Tubes, Coals, Microbiology, Energy and heat transfer engineering in general, Powder metallurgy, Extraction and processing of petroleum and natural gas, Environmental protection, Astronomy. Geodesy. Geography, Testing of metals, Electrical wires and cables, Equipment for processing of minerals, Postal services, Raw materials for rubber and plastics, Products of the chemical industry, Agricultural machines, implements and equipment, Radiocommunications, Optical equipment, On-board equipment and instruments, TESTING, Telecommunications in general, Optoelectronics. Laser equipment, Medical equipment, Components for aerospace construction, Bottles. Pots. Jars, Aerospace electric equipment and systems, Construction materials.

German Institute for Standardization, Aperture

DIN 66139:2012 Pore size analysis - Representation of pore size distributions
DIN 66139:2012-03 Pore size analysis - Representation of pore size distributions / Note: To be replaced by DIN 66139 (2022-12).
DIN 66139:2022-12 Pore size analysis - Representation of pore size distributions / Note: Date of issue 2022-11-18*Intended as replacement for DIN 66139 (2012-03).
DIN EN ISO 10323:2013-06 Dentistry - Bore diameters for rotary instruments such as discs and wheels (ISO 10323:2013); German version EN ISO 10323:2013
DIN EN 15006:2006-12 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture; German version EN 15006:2006
DIN EN 14847:2006-02 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture; German version EN 14847:2005 / Note: Applies in conjunction with DIN EN 14848 (2006-02).
DIN 9802:2017-02 Food processing machinery - Bore of cylinder head for mincers - System Unger
DIN EN 14848 Berichtigung 1:2007 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups, Corrigenda to DIN EN 14848:2006-02; German version EN 14848:2005/AC:2007
DIN 15502-5:1983-05 Film 35 mm; printing aperture, aspect ratio 1,37 : 1 and 1,33 : 1
DIN 28182:2007-09 Tubular heat exchangers - Tube pitches, diameter of bores in tube sheets, baffles and support plates
DIN 7500-2:2016-04 Thread rolling screws for ISO metric thread - Part 2: Guideline values for hole diameters
DIN EN 13029:2010-04 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures; German version EN 13029:2009
DIN 6276:1982-04 Internal combustion engines for general purposes; Valve blocks for compressed air containers; 38 mm bore
DIN EN 14848:2020-03 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups; German version EN 14848:2020
DIN EN 14848:2020 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
DIN EN 13724:2013-07 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013
DIN EN 13724 Berichtigung 1:2016-08 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013, Corrigendum to DIN EN 13724:2013-07; German version EN 13724:2013/AC:2016
DIN 6112:2002 Packaging - Light gauge metal containers - Aperture for plug-in REL plastic closures
DIN 58141-3:1989 Testing of fibre optic elements; determination of acceptance angle of light guides
DIN EN 14850:2006-02 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height; German version EN 14850:2005
DIN 58141-3:2012 Measurement of fiber optic elements - Part 3: Determination of acceptance angle of light guides; Text in German and English
DIN 6274:1982-04 Internal combustion engines for general purposes; Compressed air containers with valve block; 38 mm bore; Assembly
DIN 3357-3:1981 Reduced bore steel ball valves
DIN EN 15008:2017-06 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture; German version EN 15008:2017
DIN ISO 4003:1990-10 Permeable sintered metal materials; determination of bubble test pore size; identical with ISO 4003:1977
DIN EN 14847:2006 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture; English version of DIN EN 14847:2006-02
DIN EN 12726:2018-12 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules; German version EN 12726:2018
DIN ETS 300160:1998-03 Satellite Earth Stations and Systems (SES) - Control and monitoring functions at a Very Small Aperture Terminals (VSAT); English version ETS 300160:1997
DIN ISO 4783-1:1996 Industrial wire screens and woven wire cloth - Guide to the choice of aperture size and wire diameter combinations - Part 1: Generalities; identical with ISO 4783-1:1989
DIN 66134:1998 Determination of the pore size distribution and the specific surface area of mesoporous solids by means of nitrogen sorption - Method of Barrett, Joyner and Halenda (BJH)
DIN ETS 300157:1998 Satellite Earth Stations and Systems (SES) - Receive-only Very Small Aperture Terminals (VSATs) operating in the 11/12 GHz frequency bands; English version ETS 300157:1996
DIN EN 12726:2018 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules
DIN EN 13029:2010 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures; German version EN 13029:2009
DIN EN 14848:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups; English version of DIN EN 14848:2006-02
DIN 58141-10:2011-09 Measurement of fiber optic elements - Part 10: Determination of illuminance and effective aperture angle of cold light sources; Text in German and English
DIN 66134:1998-02 Determination of the pore size distribution and the specific surface area of mesoporous solids by means of nitrogen sorption - Method of Barrett, Joyner and Halenda (BJH)
DIN EN 14850:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height; English version of DIN EN 14850:2006-02
DIN EN 3745-302:2003 Aerospace series - Fibres and cables, optical, aircraft use; Test methods - Part 302: Numerical aperture; German and English version EN 3745-302:2002
DIN EN 3745-302:2003-05 Aerospace series - Fibres and cables, optical, aircraft use; Test methods - Part 302: Numerical aperture; German and English version EN 3745-302:2002
DIN ISO 8935:1991-10 Agricultural machinery and tractors; mounting, aperture for external equipment controls; identical with ISO 8935:1990
DIN ETS 300333:1998-05 Satellite Earth Stations and Systems (SES) - Receive-only Very Small Aperture Terminals (VSATs) operating in the 4 GHz frequency band; English version ETS 300333:1997

IPC - Association Connecting Electronics Industries, Aperture

IPC TM-650 2.2.6A-1997 Hole Size Measurement@ Drilled
IPC TM-650 2.2.6-1973 Hole Size Measurement@ Drilled
IPC TM-650 2.2.7A-1986 Hole Size Measurement@ Plated

Taiwan Provincial Standard of the People's Republic of China, Aperture

CNS 3594-1988 Bore Diameter of Milling Cutters
CNS 5674-1980 Cutter Bore
CNS 7475-1981 Methods of Measurement for Effective Aperture, F - number, Aperture Ratio and T-number of Photographlc Lenses
CNS 14262-1998 Method of test for determining apparent opening size of a geotextile
CNS 4245-1978 Clearance Holes for Metric Bolts (1.6 up to and Including 150 mm Thread Diameter)

Japanese Industrial Standards Committee (JISC), Aperture

JIS B 1001:1985 Diameter of clearance holes and counterbores for bolts and screws
JIS B 1004:1975 Hole sizes before threading
JIS B 7095:1997 Photographic lenses -- Methods for the measurement of the effective aperture, F-number and relative aperture
JIS B 1004:2009 Hole sizes before threading
JIS B 2001:1987 Nominal size and bore of valves
JIS T 5510:2015 Dental rotary instruments -- Bore diameters such as discs and wheels
JIS B 7128:1974 Location and area of the image formed by the camera aperture for 8 mm motion-picture film
JIS Z 8831-3:2010 Pore size distribution and porosity of solid materials -- Part 3: Analysis of micropores by gas adsorption
JIS Z 8831-2:2010 Pore size distribution and porosity of solid materials -- Part 2: Analysis of mesopores and macropores by gas adsorption
JIS B 8404-4:2010 Hydraulic fluid power -- Mounting dimensions for accessories -- Part 4: Square cover type cylinders (Bores from 25 mm to 200 mm), 16 MPa series
JIS B 8404-5:2010 Hydraulic fluid power -- Mounting dimensions for accessories -- Part 5: Square cover type cylinders (Bores from 250 mm to 500 mm), 16 MPa series

Korean Agency for Technology and Standards (KATS), Aperture

KS B 1006-1975 Hole Sizes Before Threading
KS B 5409-2013 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-1998 Photographic lenses-Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-1982 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-2013(2018) Photographic lenses?Methods for the measurement of the effective aperture, F-number and relative aperture
KS X ISO 10549-2007(2022) Micrographics－A6 size aperture cards
KS B 2305-2006 Nominal size and bore of valves
KS K 0754-2007 Test method for apparent opening size of geotextile-Dry method
KS K 0754-2015 Standard test method for determining apparent opening size of a geotextile
KS B 2305-2006(2021) Nominal size and bore of valves
KS B 6345-1986 Vane Motors for Oil Hydraulic Use
KS V 7831-2005 Cylinder liners for small size marine engines withcylinder bore 230 mm or less
KS P ISO 10323:2020 Dentistry — Bore diameters for rotary instruments such as discs and wheels
KS B ISO 273:2010 Diameter of clearance holes and counterbores for bolts and screws
KS X ISO 6342-2007(2022) Micrographics－Aperture cards－Method of measuring thickness of buildup area
KS K 0751-1998 TESTING METHOD FOR DETERMINING APPARENT OPENING SIZE(AOS) OF GEOTEXTILE
KS D ISO 4003-2001(2011) Permeable sintered metal materials-Determination of bubble test pore size
KS X ISO 6342-2007(2017) Micrographics－Aperture cards－Method of measuring thickness of buildup area
KS B ISO 517-2017(2022) Photography－Apertures and related properties pertaining to photographic lenses－Designation and measurements
KS M ISO 23202-2016(2021) Aluminium oxide used for the production of aluminium－Determination of particles passing a 20 micrometer aperture sieve
KS B ISO 9357-2005(2020) Equipment for crop protection－Agricultural sprayers－Tank nominal volume and filling hole diameter
KS B ISO 273-2010(2020) Diameter of clearance holes and counterbores for bolts and screws

U.S. Air Force, Aperture

AIR FORCE A-A-59883 A-2011 BORESCOPE

Professional Standard - Machinery, Aperture

JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses
JB/T 7384.16-1994 Fasteners Plug gauges for bore size of rivets
JB/T 7384.18-1994 Fasteners Gauges for bore diameter of gaskets
JB/T 8997.1-1999 Machine spools with large bore for processing of electric wires and cables.Part 1:General requirement
JB/T 8997.1-2013 Machine spools with large bore for processing of wires and cables.Part 1: General specifies
JB/ZQ 4719-2006 Diameter of twist drill for drilling hole before inside whorl treatment or car (bore) hole diameter
JB/T 8997.2-1999 Machine spools with large bore for processing of electric wires and cables.Part 2:Steel plate welded machine spools
JB/T 8997.2-2013 Machine spools with large bore for processing of wires and cables.Part 2: Machine spools with welded steel plate

Professional Standard-Ships, Aperture

CB/T 4436-2019 synthetic aperture sonar

American Society for Testing and Materials (ASTM), Aperture

ASTM UOP964-98 Surface Area, Pore Volume, Average Pore Diameter and Pore Diameter Distribution of Porous Materials
ASTM UOP964-11 Surface Area, Pore Volume, Average Pore Diameter, and Pore Size Distribution of Porous Materials by Nitrogen Adsorption
ASTM UOP578-84 Automated Pore Size Distribution of Porous Substances by Mercury Porosimetry
ASTM UOP425-86 Surface Area, Pore Volume and Pore Diameter of Porous Substances by Nitrogen Adsorption
ASTM UOP578-02 Automated Pore Volume and Pore Size Distribution of Porous Substances by Mercury Porosimetry
ASTM UOP578-11 Automated Pore Volume and Pore Size Distribution of Porous Substances by Mercury Porosimetry
ASTM D7864/D7864M-15 Standard Test Method for Determining the Aperture Stability Modulus of Geogrids
ASTM D7864/D7864M-15(2023) Standard Test Method for Determining the Aperture Stability Modulus of Geogrids
ASTM UOP874-88 Pore Size Distribution of Porous Substances by Nitrogen Adsoprtion Using a Quantachrome Analyzer
ASTM E1294-89(1999) Standard Test Method for Pore Size Characteristics of Membrane Filters Using Automated Liquid Porosimeter
ASTM D8490-23a Standard Test Method for Determining the Pore Size Characteristics of Geotextiles Using an Optical Method
ASTM E128-99(2011) Standard Test Method for Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use
ASTM F316-03(2019) Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test
ASTM D6767-21 Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test
ASTM D6767-20a Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test
ASTM D6767-20 Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test
ASTM D6767-16 Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test

KR-KS, Aperture

KS B 5409-2023 Methods for the measurement of the effective aperture, F-number and relative aperture of photographic lenses
KS P ISO 10323-2020 Dentistry — Bore diameters for rotary instruments such as discs and wheels
KS M ISO 23202-2016 Aluminium oxide used for the production of aluminium－Determination of particles passing a 20 micrometer aperture sieve

European Committee for Standardization (CEN), Aperture

EN 23016:1989 Hole Sizes for Solid Rivets
EN 2309:1989 Aerospace series Hole sizes for solid rivets
EN 15006:2006 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
EN 15008:2006 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
EN 14847:2005 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
EN 13029:2009 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
EN 15008:2017 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25@4 mm aperture
EN 13724:2013/AC:2016 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
EN 14850:2005 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height
EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
EN 24003:1993 Permeable sintered metal materials; determination of bubble test pore size (ISO 4003:1977)
EN 14848:2005 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups

IET - Institution of Engineering and Technology, Aperture

VERY SML APRT TERM-1992 Very Small Aperture Terminals (VSATs)
APRT ANT DIFF THEO-1981 Aperture Antennas and Diffraction Theory

Group Standards of the People's Republic of China, Aperture

T/QGCML 741-2023 Pile hole diameter detection device
T/ZSA 110-2022 Specific surface area and pore size analyzer
T/GDNA 004-2021 Textile – Test method for pore size characteristics gas-liquid replacement method

Universal Oil Products Company (UOP), Aperture

UOP 964-2011 Surface Area, Pore Volume, Average Pore Diameter, and Pore Size Distribution of Porous Materials by Nitrogen Adsorption
UOP 578-2011 Automated Pore Volume and Pore Size Distribution of Porous Substances by Mercury Porosimetry

Association Francaise de Normalisation, Aperture

NF L81-450:1954 Section of trimming for aperture edges (rech.).
NF EN ISO 10323:2013 Médecine bucco-dentaire - Diamètres d'alésage des instruments rotatifs tels que disques et roues
NF H44-040*NF EN 14847:2006 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
NF EN 24003:1993 Matériaux en métal fritté perméable - Détermination de la dimension des pores - Méthode bulloscopique.
NF J41-420:1957 Shipbuilding. Kingston valves, nominal bore 50-175 mm. Body.
NF E81-061:1991 Punching and stamping. Aperture and pitch of perforated materiel with round holes and square holes.
NF H44-004:2006 Aerosols containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups.
NF H31-412*NF EN 13029:2010 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
NF EN 61341:2012 Méthode de mesure de l'intensité dans l'axe du faisceau et de l'angle (ou des angles) d'ouverture des lampes à réflecteur
NF H44-046*NF EN 14850:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height
NF U09-023*NF ISO 8935:1990 Tractors for agriculture and forestry. Mountings and apertures for external equipment controls.
NF J41-416:1957 Shipbuilding. Kingston valves, nominal bore 50-175 mm. Nomenclature of parts.
NF G38-017:1989 TEXTILES. ARTICLES FOR INDUSTRIAL USES. TESTS FOR GEOTEXTILES. MEASUREMENT OF PORE SIZE. DETERMINATION OF FILTRATION OPENING.
NF C93-840-1-43:2002 Optical fibres - Part 1-43 : measurement methods and test procedures - Numerical aperture.
NF C93-840-1-43*NF EN 60793-1-43:2015 Optical fibres - Part 1-43 : measurement methods and test procedures - Numerical aperture measurement
NF Z86-160*NF ETS 300160:1997 Satellite Earth Stations and Systems (SES). Control and monitoring functions at a Very Small Aperture Terminal (VSAT).
NF H44-045*NF EN 15008:2017 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
NF EN 60793-1-43:2015 Fibres optiques - Partie 1-43 : méthodes de mesure et procédures d'essai - Mesure de l'ouverture numérique
NF H44-018:1988 Aerosol dispensers. Containers with a 25,4 mm opening. Measurement of the neck parallelism and surface eveness.
NF T47-251:1996 Rubber and plastics hoses for general-purpose industrial applications. Bore diameters and tolerances, and tolerances on length.
NF L52-400-302*NF EN 3745-302:2003 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 302 : numerical aperture
NF H35-100*NF EN 12726:2018 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules
NF ISO 6432:2015 Transmissions pneumatiques - Vérins à simple tige, Série 1000 kPa (10 bar), alésages de 8 mm à 25 mm - Dimensions de base de montage
NF Z86-161*NF ETS 300161:1997 Satellite Earth Stations and Systems (SES). Centralized control and monitoring functions for Very Small Aperture Terminal (VSAT) networks.
NF EN 3745-302:2003 Série aérospatiale - Fibres et câbles optiques à usage aéronautique - Méthodes d'essais - Partie 302 : ouverture numérique
NF ISO 21287:2005 Transmissions pneumatiques - Vérins - Vérins compacts, série 1 000 kPa (10 bar), alésages de 20 mm à 100 mm

AENOR, Aperture

UNE 17020:1957 CUT THREADED SCREWS. HOLE DIAMETER.
UNE-EN 2309:1992 AEROSPACE SERIES. HOLE SIZES FOR SOLID RIVETS.
UNE 25161:1963 SELECTIVE LIST OF THE HOLE DIAMETERS FOR STEEL RIVET SETTING (2-20 MM DIAMETERS).
UNE-EN 14847:2006 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
UNE-EN 15006:2007 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
UNE-EN ISO 10323:2013 Dentistry - Bore diameters for rotary instruments such as discs and wheels (ISO 10323:2013)
UNE-EN 13029:2010 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
UNE-EN 14848:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
UNE-EN 24003:2002 PERMEABLE SINTERED METAL MATERIALS. DETERMINATION OF BUBBLE TEST PORE SIZE. (ISO 4003:1977)
UNE-EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
UNE-EN 14850:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height
UNE-EN 15008:2017 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture

Society of Automotive Engineers (SAE), Aperture

SAE AS4760-4-1971 AS4760 1/4" Bore. Sediment Drain Valve
SAE AS3330-2-1951 AS3330 1/4" Bore Water/Sediment Drain Valve
SAE MAP1753A-2012 Hole Sizes, Recommended for Metric Fasteners on Propulsion Equipment
SAE MAP1753-1995 HOLE SIZES, RECOMMENDED FOR METRIC FASTENERS ON PROPULSION EQUIPMENT
SAE AS81820/2B-2007 Bearing, Plain, Self-Aligning, Self-Lubricating, Lined Bore, Low Speed, Wide, Chamfered Outer Ring, -65° to 325°F
SAE AS81820/1B-2007 Bearing, Plain, Self-Aligning, Self-Lubricating, Lined Bore, Low Speed, Narrow, Grooved Outer Ring, -65° to 325°F
SAE J1033-1993 PROCEDURE FOR MEASURING BORE AND FACE RUNOUT OF FLYWHEELS, FLYWHEEL HOUSINGS, AND FLYWHEEL HOUSING ADAPTERS

Professional Standard - Railway, Aperture

TB/T 1697-1985 Railway culvert aperture series

CZ-CSN, Aperture

CSN 50 0402-1994 Filter papers. Determination of the maximum pore diameter
CSN 25 4128-1964 Limit thread calliper gauges. Metric thread M 3 to M 100
CSN 25 4130-1964 Master gauges for thread calliper gauges. Metric thread M 3 to M 100
CSN 25 4188-1964 Limit thread calliper gauges. Cylindrical pipe thread G 1/8" to G 3 1/2"
CSN 10 7015-1980 Vacuum technology. Bore diameters.
CSN 31 0131-1959
CSN 25 4190-1964 Master gauges for thread calliper gauges. Cylindrical pipe thread G 1/8" - G 3 1/2"
CSN 72 2613-1966 Burnt facing bricks perforated

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Aperture

GB/T 14799-1993 Measuring method of geotextile pore size
GB/T 24219-2009 Determination of ebullition aperture of woven filtering fabric
GB/T 2679.14-1996 Filter paper and filterboard--Determination of maximum pore diameter
GB/T 42269-2022 Determination of pore size for membranes—Gas permeation method
GB/T 11415-1989 Laboratory sintered(fritted) filters--Porosity grading, classification and designation
GB 11415-1989 Laboratory Sintered (Porous) Filter Pore Size, Classification and Designation
GB/T 42035-2022 Determination of pore size distribution of coal and rock—Nuclear magnetic resonance
GB/T 32361-2015 Test methods for pore size properties of membrane filters.Bubble point and mean flow pore test
GB/T 32361-2015(英文版) Test methods for pore size properties of membrane filters—Bubble point and mean flow pore test
GB/T 14799-2005 Geotextiles and geotextile-related products.Determination of the effective opening size.Dry sieving method
GB/T 5249-1985 Permeable sintered metal materials--Determination of bubble test pore size
GB/T 17634-1998 Geotextiles and geotextile-related products--Determination of the characteristic opening size--Wet sieving method
GB/T 5249-2013 Permeable sintered metal materials.Determination of bubble test pore size
GB/T 28600-2012 Rubber compounding ingredients.Silica,precipitated,hydrated.Determination of average pore diameter
GB/T 38516-2020 Permeable sintered metal materials—Determination of average pore size of medium flow
GB/T 21650.1-2008 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption.Part 1: Mercury porosimetry
GB/T 21650.3-2011 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption.Part 3:Analysis of micropores by gas adsorption

Professional Standard - Ocean, Aperture

HY/T 038-1995 GTL-D Membrane Pore Size Meter

IN-BIS, Aperture

Indonesia Standards, Aperture

SNI 08-4418-1997 Test method for pore size of geotextile

British Standards Institution (BSI), Aperture

BS EN 2309:1990 Specification for hole sizes for solid rivets
BS PAS 1188-1:2009 Flood protection products - Specification - Building aperture products
BS PAS 1188-1:2014 Flood protection products. Specification. Building aperture products
BS ISO 13319-1:2021 Determination of particle size distribution. Electrical sensing zone method. Aperture/orifice tube method
BS 4823:1972 Guide to the selection of fitment bores for cylindrical shaft ends
BS ISO 12656:2001 Micrographics. Use of bar codes on aperture cards
BS EN ISO 12956:1999 Geotextiles and geotextile-related products - Determination of the characteristic opening size
BS EN 15006:2007 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
BS ISO 7181:1997 Hydraulic fluid power. Cylinders. Bore and rod area ratios
BS EN ISO 12956:2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size
BS EN ISO 12956:2020 Tracked Changes. Geotextiles and geotextile-related products. Determination of the characteristic opening size
BS EN 13029:2009 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
BS EN 14847:2006 Aerosol containers. Tinplate containers. Dimensions of the 25, 4 mm (one inch) aperture
BS EN 14847:2005 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
BS EN 15006:2006 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
19/30390587 DC BS ISO 13319-1. Determination of particle size distribution. Electrical sensing zone method. Part 1. Aperture/orifice tube method
BS EN 15008:2007 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
BS EN 60793-1-43:2002 Optical fibres - Measurement methods and test procedures - Numerical aperture
BS 3321:1986 Method for measurement of the equivalent pore size of fabrics (bubble pressure test)
BS EN 24003:1993 Permeable sintered metal materials. Determination of bubble test pore size
BS EN 15008:2006 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
BS EN 14850:2006 Aerosol containers. Metal containers with 25,4 mm aperture. Measurement of contact height
BS EN 14848:2006 Aerosol containers. Metal containers with 25,4 mm aperture. Dimensions of valve cups
BS EN 14848:2020 Aerosol containers. Metal containers with 25,4 mm aperture. Dimensions of valve cups
BS EN 14850:2005 Aerosol containers — Metal containers with 25,4 mm aperture — Measurement of contact height
BS EN 14848:2005 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
BS EN 60793-1-43:2015 Tracked Changes. Optical fibres. Measurement methods and test procedures. Numerical aperture measurement
BS EN 3745-302:2002 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Numerical aperture
BS ISO 23202:2006 Aluminium oxide used for the production of aluminium. Determination of particles passing a 20 micrometre aperture sieve
18/30363530 DC BS EN 14848. Aerosol containers. Metal containers with 25,4 mm aperture. Dimensions of valve cups
BS 7372-1:1991 Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth. General
BS 6356-5:1992 Spraying equipment for crop protection. Specification for tank nominal volume and filling hole diameter
PD ISO/TS 22247:2022 Optics and photonics. Effective numerical aperture of laser lenses. Definition and verification procedure
BS EN 933-2:2020 Tests for geometrical properties of aggregates - Determination of particle size distribution. Test sieves, nominal size of apertures
BS EN 15008:2017 Tracked Changes. Aerosol containers. Aluminium containers. Dimensions of one-piece cans with 25,4 mm aperture

Professional Standard - Chemical Industry, Aperture

HG/T 6138-2023 Specific surface area and pore size analyzer

Professional Standard - Post and Telecommunication, Aperture

YD/T 816-2003 Large-core high-value aperture multi-mode optical cable
YD/T 816-1996 Large core diameter and large numerical aperture multimode fiber

TIA - Telecommunications Industry Association, Aperture

EIA/TIA-455-167A-1992 FOTP-167 Mode Field Diameter@ Variable Aperture in the Far Field
TIA-455-177-A-1992 FOTP177 Numerical Aperture Measurement of Graded-Index Optical Fibers

National Metrological Technical Specifications of the People's Republic of China, Aperture

JJF 1806-2020 Calibration Specification for Measuring Equipment of Diameter of Micro and Small Hole
JJF(机械) 027-2008 Calibration Specifications for Relative Aperture Testers

National Metrological Verification Regulations of the People's Republic of China, Aperture

JJG 467-1986 Verification Regulation of Precision Bore Diameter Measuring Instrument

PL-PKN, Aperture

PN N84507-1991 Still cameras. Lens aperture markings
PN R36154-1993 Tractors for agriculture and forestry. Mountings and apertures for external equipment controls
PN-EN 15008-2017-05 P Aerosol containers -- Aluminium containers -- Dimensions of one-piece cans with 25,4 mm aperture
PN R36157-1993 Equipment for crop protection. Agricultural sprayers. Tank nominal volume and filling hole diameter

European Association of Aerospace Industries, Aperture

AECMA PREN 2309-1979 Hole Sizes for Solid Rivets Aerospace Series Edition 1

GM North America, Aperture

GM GMD200-1988 Recommended Hole Sizes for Metric Tapping Screws General
GM VOL I SEC D-1966-c Section D - Recommended Hole Sizes for Tapping Screws

SE-SIS, Aperture

SIS SMS 1724-1965
SIS SEN 86 02 06
SIS SMS 2852-1971 Dust separating. Duct apertures for dust measurement
SIS SEN 86 02 08
SIS SS 03 22 11-1987 Construction drawings - Drawing sheets - Material and holes for overlay-technique
SIS SMS 1747-1973 Screw calliper gauges. Profiles and tolerances. ISO inch screw threads
SIS SMS 210-1944
SIS SMS 1523-1950
SIS SMS 1748-1973 Screw calliper gauges. Profiles and tolerances for setting plugs. ISO inch screw threads

American National Standards Institute （ANSI), Aperture

ANSI/EIA/TIA 455-167A:1992 Mode Field Diameter Measurement - Variable Aperture Method in the Farfield
ANSI/EIA/TIA 455-177A:1992 Numerical Aperture Measurement of Graded-Index Optical Fibers
ANSI/ASTM D3576:1998 Test Method for Cell Size of Rigid Cellular Plastics (08.02)
ANSI/TIA/EIA 455-134-1996 Measurement of Connector Ferrule Hole Inside Diameter
ANSI/TIA-455-177-C-2020 IEC-60793-1-43 Optical Fibres - Part 1-43: Measurement Methods and Test Procedures- Numerical Aperture
ANSI/TIA-455-177-B-2003 IEC 60793-1-43 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture
ANSI/TIA/EIA 455-7-1992 Numerical Aperture of Step-Index Multimode Optical Fibers by Output Far-Field Radiation Pattern Measurement

国家市场监督管理总局、中国国家标准化管理委员会, Aperture

GB/T 38949-2020 Determination of pore size for porous membranes—Standard particle method
GB/T 17634-2019 Geotextiles and geotextile-related products—Determination of the characteristic opening size—Wet sieving method

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

GJB 6692-2009 General specification forairborne synthetic aperture radar
GJB 9353-2018 External calibration method for spaceborne synthetic aperture radar
GJB 9352-2018 Internal calibration method of spaceborne synthetic aperture radar
GJB 9053-2017 Spaceborne synthetic aperture radar auxiliary data requirements
GJB 5175-2004 General requirements for data processing system of synthetic aperture radar
GJB 9052-2017 Ground integrated test method for spaceborne synthetic aperture radar
GJB 8308-2015 General specifications for surface-to-surface missile synthetic aperture radar seekers
GJB 6693-2009 Technical requirements for airborne synthetic aperture radar and data chain interface
GJB 8958-2017 General specifications for airborne synthetic aperture radar interferometry systems
GJB 9753-2020 Specification for inter-satellite communications transponders for synthetic aperture radar satellite systems
GJB 6730-2009 General specification for ground distributing jamming equipment against SAR

Professional Standard - Electron, Aperture

SJ 2667-1986 Methods of measurement of numerical aperture of optical fibres and cables

American Society of Mechanical Engineers (ASME), Aperture

ASME MFC-14M-1995 Measurement of fluid flow using small bore precision orifice meters
ASME MFC-14M-2003 Measurement of Fluid Flow Using Small Bore Precision Orifice Meters

Professional Standard - Ferrous Metallurgy, Aperture

YB/T 118-1997 Test method for pore size distribution of refractory

RU-GOST R, Aperture

GOST 14802-1985 Rivets (high precision). Hole diameters for rivets, urset head dimensions and length selection
GOST 18626-1973 Bore diameters of components of vacuum systems. Basical dimensions
GOST 25379-1982 Metalcutting machine tools. Diameters of bores for cylindrical shank tools
GOST 14865-1978 Setting rings for internal measuring instruments. Specifications
GOST 19257-1973 Holes for threading metric thread. Diameters
GOST R IEC 60793-1-43-2013 Optical fibres. Part 1-43. Measurement methods and test procedures. Numerical aperture
GOST 21350-1975 Holes for threading pipe taper screw thread. Diameters
GOST 21348-1975 Holes for threading pipe cylindrical thread. Diameters
GOST R 50022-1992 Tractors for agriculture and foresrty. Mounting and apertures for external equipment control
GOST 25158-1982 Broaches with diameter from 15 to 90 mm for slitting holes with involute profile and centring at outside diameter with modul from 1 to 2,5 mm. Construction and dimensions
GOST 25157-1982 Broaches with diameter 12 and 14 mm for slitting holes with involute profile and centring at outside diameter with modul 1 mm double driven. Construction and dimensions
GOST 25159-1982 Broaches with diameter frome 15 to 90 mm for slitting holes with involute profile and centring at outside diameter with modul frome 1 to 2,5 mm, double driven. Construction and dimensions
GOST 25160-1982 Broaches with diameter frome 45 to 90 mm for slitting holes with involute profile and centring at outside diameter with modul frome 3 to 5 mm. Construction and dimensions
GOST 25161-1982 Broaches with diameter frome 70 to 90 mm for slitting holes with involute profile and centring at outside diameter with modul frome 3,5 to 5 mm. Double driven. Construction and dimensions

工业和信息化部, Aperture

YB/T 118-2020 Test method for pore size distribution of refractory materials
JB/T 13836-2020 Method for determination of pore size characteristics of filter materials used in bag dust collectors

未注明发布机构, Aperture

DIN EN ISO 10323:1995 Dental rotary instruments — Bore diameters for discs and wheels
BS 3321:1986(1999) Method for Measurement of the equivalent pore size of fabrics (bubble pressure test)
BS 7591-2:1992(1999) Porosity and pore size distribution of materials — Part 2 : Method of evaluation by gas adsorption
BS 7591-1:1992(1999) Porosity and pore size distribution of materials — Part 1 : Method of evaluation by mercury porosimetry
BS ISO 23202:2006(2007) Aluminium oxide used for the production of aluminium — Determination of particles passing a 20 micrometre aperture sieve
BS 6906-2:1989(1999) Methods of test for Geotextiles — Part 2 : Determination of the apparent pore size distribution by dry sieving

Heilongjiang Provincial Standard of the People's Republic of China, Aperture

DB23/T 1524-2013 Technical regulations for small aperture measuring instruments with large depth-to-diameter ratio

International Organization for Standardization (ISO), Aperture

ISO 13319-1:2021 Determination of particle size distribution - Electrical sensing zone method - Part 1: Aperture/orifice tube method
ISO 1307:1975 Withdrawal of ISO 1307-1975
ISO 1307:1983 Rubber and plastics hoses — Bore diameters and tolerances on length
ISO 12956:2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size
ISO 12956:1999 Geotextiles and geotextile-related products - Determination of the characteristic opening size
ISO 3017:1973 Title missing - Legacy paper document
ISO 3017:1981 Abrasive discs; Designation, dimensions and tolerances; Selection of disc outside diameter/centre hole diameter combinations
ISO 4003:1977 Permeable sintered metal materials; Determination of bubble test pore size
ISO 2194:1972 Wire screens and plate screens for industrial purposes — Nominal sizes of apertures
ISO 1307:1992 Rubber and plastics hoses for general-purpose industrial applications; bore diameters and tolerances, and tolerances on length
ISO/TS 22247:2022 Optics and photonics — Effective numerical aperture of laser lenses — Definition and verification procedure
ISO 15524:2011 Pneumatic fluid power - Cylinders - Single-rod short-stroke cylinders, 1000 kPa (10 bar) series, bores from 20 mm to 100 mm
ISO 15901-1:2005 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry
ISO 15901-1:2016 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry

ZA-SANS, Aperture

SANS 719:2008 Electric welded low carbon steel pipes for aqueous fluids (large bore)
SANS 60793-1-43:2001 Optical fibres Part 1-43: Measurement methods and test procedures - Numerical aperture

JP-JARI, Aperture

JRIS R 0301-2006 Rolling stock-Hole size atandard for piping and wiring tube

Danish Standards Foundation, Aperture

DS/EN ISO 10323:2013 Dentistry - Bore diameters for rotary instruments such as discs and wheels
DS/ISO 1307:1984 Rubber and plastics hoses Bore diameters and tolerances on length
DS/EN 24003:1994 Permeable sintered metal materials-Determination of bubble test pore size
DS/EN 14847:2006 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
DS/EN 15006:2007 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
DS/ISO 4003:1994 Permeable sintered metal materials - Determination of bubble test pore size
DS/EN 13029:2010 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
DS/EN 60793-1-43:2002 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture
DS/ETS 300160:1993 Satellite Earth Stations (SES). Control and monitoring tunctions at a Very Small Aperture Terminals (VSAT)
DS/EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
DS/EN 14848/AC:2007 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
DS/EN 14848:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
DS/ISO 9357:1992 Equipment for crop protection. Agricultural sprayers. Tank nominal volume and filling hole diameter
DS/ISO 8935:1997 Tractors for agriculture and forestry - Mountings and apertures for external equipment controls
DS/EN 14850:2006 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height
DS/EN 15008:2007 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
DS/ETS 300160:1998 Satellite Earth Stations and Systems (SES) - Control and monitoring functions at a Very Small Aperture Terminal (VSAT)
DS/EN 12726:2000 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules
DS/EN 3745-302:2002 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 302: Numerical aperture
DS/ETS 300333:1998 Satellite Earth Stations and Systems (SES) - Receive-only Very Small Aperture Terminals (VSATs) operating in the 4 GHz frequency band

Standard Association of Australia （SAA）, Aperture

North Atlantic Treaty Organization Standards Agency, Aperture

STANAG 3237-1982 APERTURE OF TERMINAL RING OR LINK OF AIRCRAFT LIFTING SLINGS
STANAG 3212-1998 DIAMETERS FOR GRAVITY FILLING ORIFICES

Society of Motion Picture and Television Engineers (SMPTE), Aperture

SMPTE 7-1999 Motion-Picture Film (16-mm) - Camera Aperture Image and Usage
SMPTE ST 7-2004 Motion-Picture Film (16-mm) - Camera Aperture Image and Usage
SMPTE 231-1999 Motion-Picture Film (8-mm Type R) - Camera Aperture Image and Usage
SMPTE ST 157-1999 Motion-Picture Film (8-mm Type S) - Camera Aperture Image and Usage
SMPTE ST 231-2004 Motion-Picture Film (8-mm Type R) - Camera Aperture Image and Usage

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, Aperture

ITU-R S.727-1-2002 Cross-polarization isolation from very small aperture terminals (VSATs)
ITU-R S.726-1993 Maximum Permissible Level of Spurious Emissions from Very Small Aperture Terminals (VSATs)
ITU-R S.727-1992 Cross-Polarization Isolation from Very Small Aperture Terminals (VSATs) - Section 4B1 - Systems Aspects

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Aperture

ASHRAE AN-04-4-3-2004 Measurement of Pore Size Variation and Its Effect on Energy Wheel Performance

Lithuanian Standards Office , Aperture

LST EN ISO 10323:2002 Dental rotary instruments - Bore diameters for discs and wheels (ISO 10323:1991)
LST EN 14847-2006 Aerosol containers - Tinplate containers - Dimensions of the 25,4 mm aperture
LST EN 15006-2007 Metal aerosol containers - Aluminium containers - Dimensions of the 25,4 mm aperture
LST EN 13029-2010 Packaging - Light-gauge metal packaging - Apertures for plug-in plastic closures
LST EN 13724-2003 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
LST EN 14848-2006 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
LST EN 14848-2006/AC-2007 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
LST EN 24003-2002 Permeable sintered metal materials - Determination of bubble test pore size (ISO 4003:1977)
LST EN 14850-2006 Aerosol containers - Metal containers with 25,4 mm aperture - Measurement of contact height
LST EN 15008-2007 Aerosol containers - Aluminium containers - Dimensions of one-piece cans with 25,4 mm aperture
LST ETS 300 160 Leid.1-2006 Satellite Earth Stations and Systems (SES);Control and monitoring functions at a Very Small Aperture Terminal (VSAT)
LST ETS 300 160 Leid.2-2007 Satellite Earth Stations and Systems (SES);Control and monitoring functions at a Very Small Aperture Terminal (VSAT)
LST EN 60793-1-43-2003 Optical fibres. Part 1-43: Measurement methods and test procedures. Numerical aperture (IEC 60793-1-43:2001)
LST EN 12726-2001 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules
LST EN 3745-302-2003 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 302: Numerical aperture
LST ETS 300 333 Leid.2-2006 Satellite Earth Stations and Systems (SES);Receive-only Very Small Aperture Terminals (VSATs) operating in the 4 GHz frequency band

International Telecommunication Union (ITU), Aperture

ITU-R S.726-1 FRENCH-1993 Maximum permissible level of spurious emissions from very small aperture terminals (VSAT)
ITU-R S.726-1 SPANISH-1993 Maximum permissible level of spurious emissions from very small aperture terminals (VSAT)
ITU-R S.728-1 FRENCH-1995 MAXIMUM PERMISSIBLE LEVEL OF OFF-AXIS e.i.r.p. DENSITY FROM VERY SMALL APERTURE TERMINALS (VSATs)
ITU-R S.728-1 SPANISH-1995 MAXIMUM PERMISSIBLE LEVEL OF OFF-AXIS e.i.r.p. DENSITY FROM VERY SMALL APERTURE TERMINALS (VSATs)
ITU-R S.725 FRENCH-1992 Technical characteristics for very small aperture terminals (VSATs)
ITU-R S.725 SPANISH-1992 Technical characteristics for very small aperture terminals (VSATs)
ITU-R S.729 FRENCH-1992 Control and monitoring function of very small aperture terminals (VSATs)
ITU-R S.729 SPANISH-1992 Control and monitoring function of very small aperture terminals (VSATs)
ITU-R S.728-1995 Maximum permissible level of off-axis e.i.r.p. density from very small aperture terminals (VSATs)
ITU-R BO.2063-0-2014 Alternative BSS earth station antenna radiation pattern for 12 GHz BSS bands with effective apertures in the range 55-75 cm

AIA/NAS - Aerospace Industries Association of America Inc., Aperture

NASM24634-2012 SCREW@ TAPPING@ THREAD CUTTING@ TYPES D@ F@ G AND T@ APPROXIMATE HOLE SIZES FOR (Rev 1)

Professional Standard - Energy, Aperture

NB/T 14008-2021 Determination of Shale Total Pore Size Distribution by Mercury Injection-Adsorption Combined Method

International Electrotechnical Commission (IEC), Aperture

IEC 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods - Numerical aperture measurement
IEC 60793-1-43:2001 Optical fibres - Part 1-43: Measurement methods and test procedures; Numerical aperture

国家能源局, Aperture

NB/T 14008-2015 Determination of full pore size distribution of shale combined mercury injection-adsorption method
SY/T 6154-2019 Static adsorption capacity method for determination of rock specific surface area and pore size distribution

国家食品药品监督管理局, Aperture

YY/T 1614-2018 Bore diameter of dental disk-shaped and wheel-shaped rotating instruments

Professional Standard - Electricity, Aperture

DL/T 2626-2023

Defense Logistics Agency, Aperture

DLA A-A-59581 C-2008 BEARING, BALL, ANNULAR, SINGLE ROW, RADIAL, NON-FILLING SLOT, BORE DIAMETERS UNDER 10 MM

NL-NEN, Aperture

NEN 5168-1990 Geotextile Determination of the characteristic pore size in dry condition
NEN-ISO 4003:1993 Permeable sintered metal materials. Determination of bubble test pore size (ISO 4003:1977)

AT-ON, Aperture

ONORM M 1815-1972 Tapping screws- applications and hole sizes or tnetal and plastic components
ONORM ISO 6432:1986 Pneumatic fluid power; Single rod cylinder; 10 bar (1 MP?) series; boresfrom 8 mm to 25 mm; mounting dimensions

RO-ASRO, Aperture

STAS SR EN 24003-1996 Permeable sintered metal materials. Determination of bubble test pore size

GOSTR, Aperture

GOST 17175-1982 Lenses for photography, motion picture, television. Series of numerical values of relative apertures

ES-UNE, Aperture

UNE-EN 14848:2020 Aerosol containers - Metal containers with 25,4 mm aperture - Dimensions of valve cups
UNE-EN 13724:2013/AC:2016 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
UNE-EN 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture measurement
UNE-EN 12726:2019 Packaging - Cork mouth finish with a bore diameter of 18,5 mm for corks and tamper evident capsules

YU-JUS, Aperture

JUS C.A2.031-1978 Permeable sintered metal materiah - determination ofbubbk test pore si?e
JUS K.T3.131-1983 NOTGO gauging memberes for holes over 40 to 120 mm nominal diameter cylindrical plug gauges
JUS K.T3.150-1983 Spherical NOT GO plug gauges for holes above 40 to and including 500 mm nominal diameter

Professional Standard - Surveying and Mapping, Aperture

CH/T 3010-2012 Specifications for aerial photography of 1 : 50 000 topographic maps by airborne synthetic aperture radar
CH/T 3009-2012 Specifications for space photogrammetric operation of 1 : 50 000 topographic maps by spaceborne synthetic aperture radar
CH/T 3011-2012 Specifications for aerophotogrammetric operation of 1 : 50 000 topographic maps by airborne synthetic aperture radar
CH/T 3015-2015 1:5000 1:10000 Topographic Map Synthetic Aperture Radar Aerial Photography Technical Regulations
CH/T 1049-2021 Technical regulations for quality inspection of synthetic aperture radar (SAR) satellite remote sensing raw data
CH/T 3016-2015 1:5000 1:10000 Topographic Map Synthetic Aperture Radar Aerial Photogrammetry Technical Regulations

International Federation of Trucks and Engines, Aperture

NAVISTAR ESP D-300.101-GS-2015 VOID - Recommended Hole Sizes for Tapping Screws - General Specifications (Noun Code 7450)

Professional Standard - Petrochemical Industry, Aperture

SH/T 0572-1993 Catalyst pore size distribution calculation method (nitrogen desorption isotherm calculation method)

CENELEC - European Committee for Electrotechnical Standardization, Aperture

EN 60793-1-43:2002 Optical Fibres Part 1-43: Measurement Methods and Test Procedures - Numerical Aperture

U.S. Military Regulations and Norms, Aperture

ARMY MIL-STD-804 C VALID NOTICE 3-2013 Formats and Coding of Aperture, Camera, Copy, and Tabulating Cards

Professional Standard - Petroleum, Aperture

SY/T 6154-1995 Static Nitrogen Adsorption Capacity Method for Determination of Rock Specific Surface and Pore Size Distribution

European Telecommunications Standards Institute (ETSI), Aperture

ETSI ETS 300 160-1992 Satellite Earth Stations (SES); Control and Monitoring Functions at a Very Small Aperture Terminal (VSAT)
ETSI ETS 300 673-1997 Electromagnetic Compatibility and Radio Spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) Standard for Very Small Aperture Terminal (VSAT), Satellite News Gathering (SNG), Satellite Interactive Terminals aperture Terminal 4/6 GHz and 11/12/14 GH
ETSI ETS 300 161-1992 Satellite Earth Stations (SES); Centralised Control and Monitoring Functions for VSAT Networks
ETSI ETS 300 160-1997 Satellite Earth Stations and Systems (SES); Control and Monitoring Functions at a Very Small Aperture Terminal (VSAT) (Second Edition)
ETSI PRETS 300 193-1991 Satellite Earth Stations (SES); General Requirements for the Connection of Very Small Aperture Terminal (VSAT) Systems to Terrestrial Networks

BE-NBN, Aperture

NBN-EN 24003-1993 Permeable sintered metal materials. Determination of bubble test pore size (ISO 4003: 1977)

ETSI - European Telecommunications Standards Institute, Aperture

ETS 300 160-1992 Satellite Earth Stations (SES); Control and Monitoring Functions at a Very Small Aperture Terminal (VSAT)
ETS 300 673-1997 Electromagnetic Compatibility and Radio Spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) Standard for Very Small Aperture Terminal (VSAT)@ Satellite News Gathering (SNG)@ Satellite Interactive Terminals aperture Terminal 4/6 GHz and 11/12/14 GH
ETS 300 160-1997 Satellite Earth Stations and Systems (SES); Control and Monitoring Functions at a Very Small Aperture Terminal (VSAT) (Second Edition)
PRETS 300 160-1996 Satellite Earth Stations and Systems (SES); Control and Monitoring Functions at a Very Small Aperture Terminal (VSAT) Second Edition
PRETS 300 193-1991 Satellite Earth Stations (SES); General Requirements for the Connection of Very Small Aperture Terminal (VSAT) Systems to Terrestrial Networks

CEN - European Committee for Standardization, Aperture

PREN 14848-2018 Aerosol containers - Metal containers with 25@4 mm aperture - Dimensions of valve cups

Institute of Electrical and Electronics Engineers (IEEE), Aperture

SMPTE ST 215:1995 ST 215:1995 - SMPTE Standard - For Motion-Picture Film (65-mm) — Camera Aperture Image
SMPTE ST 201:1996 ST 201:1996 - SMPTE Standard - For Motion-Picture Film (16-mm)— Type W Camera Aperture Image
SMPTE ST 7:2004 ST 7:2004 - SMPTE Standard - For Motion-Picture Film (16-mm) — Camera Aperture Image and Usage
SMPTE ST 59:1998 ST 59:1998 - SMPTE Standard - For Motion-Picture Film (35-mm) — Camera Aperture Images and Usage
SMPTE ST 417:2005 ST 417:2005 - SMPTE Standard - For Motion-Picture Film (65-mm) — Camera Aperture Image and Usage, 15/70 Format
SMPTE ST 157:1999 ST 157:1999 - SMPTE Standard - For Motion-Picture Film (8-mm Type S) — Camera Aperture Image and Usage
SMPTE ST 418:2005 ST 418:2005 - SMPTE Standard - For Motion-Picture Film (65-mm) — Camera Aperture Image and Usage, 8/70 Format

European Committee for Electrotechnical Standardization（CENELEC）, Aperture

EN 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture measurement

Professional Standard - Medicine, Aperture

YY/T 0916.1-2014 Small bore fittings for medical liquids and gases - Part 1: General requirements
YY/T 0916.6-2022 Small bore connectors for medical liquids and gases - Part 6: Connectors for axonal applications
YY/T 0916.3-2022 Small bore connectors for medical liquids and gases Part 3: Connectors for gastrointestinal applications

GB-REG, Aperture

REG NASA-LLIS-0715-2000 Lessons Learned ?Near Field Measurement for Large Aperature Antenna Pattern Determination

国家药监局, Aperture

YY/T 0916.1-2021 Small bore connections for medical liquids and gases Part 1: General requirements
YY/T 0916.20-2019 Small bore connections for medical liquids and gases - Part 20: General test methods

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Aperture

GJB 5089-2002 Calculation method for the resolution and the target's pixel position of satellite-borne synthetic aperture radar

(U.S.) Telecommunications Industries Association , Aperture

TIA-455-7-1992 FOTP-7 Numerical Aperature of Step-Index Multimode Optical Fibers by Output Far-Field Radiation Pattern Measurement
TIA/EIA-455-134-1997 FOTP-134 Measurement of Connector Ferrule Hole Inside Diameter

Canadian General Standards Board （CGSB), Aperture

CGSB 148.1 NO.10-94-CAN/CGSB-1994 Methodes D'Essai Des Geosynthetiques Geotextiles - Determination Du Diametre D'Ouverture De Filtration

Professional Standard - Aerospace, Aperture

QJ 2920-1997 Bottom hole diameter before MJ internal thread tapping
QJ 151-1974 Type and size of thread rolling wheel (inner hole diameter φ54mm)

Hebei Provincial Standard of the People's Republic of China, Aperture

DB13/T 2768.4-2018 Graphene powder material detection method part 4: specific surface area, pore volume and pore diameter BET method

PK-PSQCA, Aperture

PS 282-1963 METHOD OF TEST FOR AMOUNT OF MATERIAL FINER THAN No. 200 BS SIEVE IN AGGREGATES

TR-TSE, Aperture

TS 511-1967 Light Metal Rivets for Shipbuilding Nominal Diameters, Rivet Hole Diameters and Clearances

SAE - SAE International, Aperture

SAE AS81820/1A-2003 Bearing, Plain, Self-Aligning, Self-Lubricating, Lined Bore, Low Speed, Narrow, Grooved Outer Ring, -65° to 325°F
SAE AS81820/2A-2003 Bearing, Plain, Self-Aligning, Self-Lubricating, Lined Bore, Low Speed, Wide, Chamfered Outer Ring, -65° to 325°F

IT-UNI, Aperture

UNI 6946-1971

Professional Standard - Aviation, Aperture

HB/Z 259-1994 Bottom hole diameter and deviation of interference thread process