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double antibody ps

double antibody ps, Total:132 items.

In the international standard classification, double antibody ps involves: Plastics, Structures of buildings, Protection of and in buildings, Rubber and plastics products, Farming and forestry, Structure and structure elements, Sterilization and disinfection, Semiconductor devices, Veterinary medicine, Installations in buildings, Integrated circuits. Microelectronics, Electromechanical components for electronic and telecommunications equipment, Construction materials, Leather technology, Tobacco, tobacco products and related equipment, Acoustics and acoustic measurements, Products of the chemical industry, Fasteners, Materials for aerospace construction.

国家市场监督管理总局、中国国家标准化管理委员会, double antibody ps

GB/T 37198-2018 Impact-resistant polystyrene（PS-I）resin
GB/T 40006.6-2021 Plastics—Recycled plastics—Part 6: Polystyrene（PS）and impact-resistant polystyrene(PS-I) materials
GB/T 38271-2019 Plastics—Determination of residual styrene monomer in polystyrene (PS) and impact-resistant polystyrene (PS-I)—Gas chromatography

Professional Standard - Chemical Industry, double antibody ps

HG/T 4669-2014 High impact polystyrene (PS-HI) color masterbatch

Association Francaise de Normalisation, double antibody ps

NF P06-013:1995 Earthquake resistant construction rules. Earthquake resistant rules applicable to buildings, called ps 92.
NF P06-014/A1:2001 Earthquake resistant construction rules - Earthquake resistant construction of individual houses and of related buildings - 1992 revised PS-MI 89 rules - Field application - Design - Construction.
NF P06-014/A2:2011 Earthquake resistant construction rules - Earthquake resistant construction of individual houses and of related buildings - 1992 revised PS-MI 89 rules - Field of application - Design - Construction
NF P06-014:1995 EARTHQUAKE RESISTANT CONSTRUCTION RULES. EARTHQUAKE RESISTANT CONSTRUCTION OF INDIVIDUAL HOUSES AND OF RELATED BUILDINGS. 1992 REVISED. PS-MI 89 RULES. FIELD OF APPLICATION. DESIGN. CONSTRUCTION.
NF EN ISO 19063-1:2016 Plastiques - Polystyrènes résistants au choc (PS-I) pour moulage et extrusion - Partie 1 : système de désignation et base de spécifications
NF EN ISO 19063-2:2020 Plastiques - Polystyrènes résistants au choc (PS-I) pour moulage et extrusion - Partie 2 : préparation des éprouvettes et détermination des propriétés

NEMA - National Electrical Manufacturers Association, double antibody ps

NEMA LSD 29-2019 Incompatibility of T8 Ballasts (RS@ PS@ Dimming) and “Shunted” Bi-Pin Lampholders
NEMA WC 76-2018 Standard for Controlled Impedance Shielded Twisted Pairs in Internal Electrical Cable

Group Standards of the People's Republic of China, double antibody ps

T/SHPTA 042-2023 Plastics-Halogen free flame retardant impact polystyrene (PS-I) compound
T/BYXT 053-2023 Technical requirements for rare earth bimodal antibacterial and epidemic prevention
T/CVMA 15-2020 Detection method of double-antigen sandwich enzyme-linked immunosorbent assay for novel coronavirus animal serum antibody
T/ZZB 1215-2019 Polyethylene spirally enwound structure and double-flat wall pipes with UV-resist and crack-resist

International Organization for Standardization (ISO), double antibody ps

ISO 2561:2006 Plastics - Determination of residual styrene monomer in polystyrene (PS) and impact-resistant polystyrene (PS-I) by gas chromatography
ISO 2561:2012 Plastics - Determination of residual styrene monomer in polystyrene (PS) and impact-resistant polystyrene (PS-I) by gas chromatography

British Standards Institution (BSI), double antibody ps

BS ISO 2561:2012 Plastics. Determination of residual styrene monomer in polystyrene (PS) and impact-resistant polystyrene (PSI) by gas chromatography
BS EN ISO 14631:2021 Tracked Changes. Extruded sheets of impact-modified polystyrene (PS-I). Requirements and test methods
BS EN ISO 10534-2:2023 Acoustics. Determination of acoustic properties in impedance tubes - Two-microphone technique for normal sound absorption coefficient and normal surface impedance

German Institute for Standardization, double antibody ps

DIN EN ISO 14631:2021-09 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021); German version EN ISO 14631:2021
DIN EN ISO 14631:2021 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021); German version EN ISO 14631:2021
DIN EN ISO 19063-2:2020-12 Plastics - Impact-resistant polystyrene (PS-I) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 19063-2:2020); German version EN ISO 19063-2:2020
DIN EN ISO 19063-1:2016-05 Plastics - Impact-resistant polystyrene (PS-I) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 19063-1:2015); German version EN ISO 19063-1:2015

ES-UNE, double antibody ps

UNE-EN ISO 14631:2022 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021)
UNE-EN ISO 19063-1:2016 Plastics - Impact-resistant polystyrene (PS-I) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 19063-1:2015)
UNE-EN ISO 19063-2:2021 Plastics - Impact-resistant polystyrene (PS-I) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 19063-2:2020)

Danish Standards Foundation, double antibody ps

DS/ISO 14631:2021 Extruded sheets of impact-modified polystyrene (PS-I) – Requirements and test methods
DS/EN ISO 14631:2021 Extruded sheets of impact-modified polystyrene (PS-I) – Requirements and test methods (ISO 14631:2021)

Korean Agency for Technology and Standards (KATS), double antibody ps

KS M ISO 14631-2007(2022) Extruded sheets of impact－modified polystyrene(PS－I)－Requirements and test methods
KS M ISO 19063-1-2017(2022) Plastics ㅡ Impact-resistant polystyrene (PS-I) moulding and extrusion materials ㅡ Part 1: Designation system and basis for specifications
KS M ISO 19063-1:2017 Plastics ㅡ Impact-resistant polystyrene (PS-I) moulding and extrusion materials ㅡ Part 1: Designation system and basis for specifications

Lithuanian Standards Office , double antibody ps

LST EN ISO 14631:2003 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:1999)
LST EN ISO 14631:2021 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021)

CH-SNV, double antibody ps

SN EN ISO 14631:2021 Extruded sheets of impact-modified polystyrene (PS-I) - Requirements and test methods (ISO 14631:2021)

Japanese Industrial Standards Committee (JISC), double antibody ps

JIS K 6926-1:1997 Plastics -- Impact-resistant polystyrene (PS-I) moulding and extrusion materials -- Part 1: Designation
JIS A 1139:1993 Method of biannual compressive loading test of concrete
JIS K 6926-2:1997 Plastics -- Impact-resistant polystyrene (PS-I) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties

(U.S.) Plastic Pipe Association, double antibody ps

PPI TN-19-2005 Resistance to Ring Bending ?Pipe Stiffness (PS), Ring Stiffness Constant (RSC) and Flexibility Factor (FF) for Buried Gravity Flow Pipes

Hubei Provincial Standard of the People's Republic of China, double antibody ps

DB42/T 1592-2020 Technical regulations for detection of duck Tembusu virus double-antibody sandwich ELISA antigen
DB42/T 790-2012 Influenza A H1N1 Influenza Virus Double Antibody ELISA Detection Method

Society of Automotive Engineers (SAE), double antibody ps

SAE AS27644C-2012 Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
SAE AS27647G-2023 BEARING, BALL, AIRFRAME ANTI-FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY
SAE AS27643D-2020 BEARING, BALL, AIRFRAME, ANTI-FRICTION, SELF-ALIGNING, DOUBLE ROW, HEAVY DUTY
SAE AS27643C-2012 Bearing, Ball, Airframe, Anti-Friction, Self-Aligning, Double Row, Heavy Duty
SAE AS27647E-2021 BEARING, BALL, AIRFRAME, ANTI-FRICTION, EXTRA WIDE, DOUBLE ROW, INTERMEDIATE DUTY
SAE AS27647F-2022 BEARING, BALL, AIRFRAME, ANTI-FRICTION, EXTRA WIDE, DOUBLE ROW, INTERMEDIATE DUTY
SAE AS28913C-2020 BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW, AIRFRAME, ANTI-FRICTION, SEALED, TYPE II
SAE AS28914C-2020 BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW, AIRFRAME, ANTI-FRICTION, SEALED, TYPE III
SAE AS28914C-2014 BEARING, ROLLER, SELF-ALIGNING, DOUBLE ROW, AIRFRAME, ANTI-FRICTION, SEALED, TYPE III
SAE AMS3731/2-1981 POTTING COMPOUND, EPOXY Bisphenol A-Type Filled, Heat Cure, Low CTE Thermal Shock Resistant
SAE AMS3731/2B-1991 POTTING COMPOUND, EPOXY Bisphenol A-Type Filled, Heat Cure, Low CTE Thermal Shock Resistant
SAE AMS3731/2A-1986 POTTING COMPOUND, EPOXY Bisphenol A-Type Filled, Heat Cure, Low CTE Thermal Shock Resistant
SAE AS24464C-2023 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, SELF-ALIGNING, TYPE IV, ANTIFRACTION, INCH
SAE AS24466B-2020 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, TRACK ROLLER, TYPE VI, ANTIFRICTION, INCH
SAE AMS3731/2C-1993 (Noncurrent)Potting Compound, Epoxy Bisphenol A-Type Filled, Heat Cure, Low CTE Thermal Shock Resistant

PL-PKN, double antibody ps

PN BN 6115-41-1966

SAE - SAE International, double antibody ps

SAE AS27644B-2002 Bearing, Ball, Airframe, Anti-Friction, Double Row, Heavy Duty
SAE AS27644D-2019 BEARING@ BALL@ AIRFRAME@ ANTI-FRICTION@ DOUBLE ROW@ HEAVY DUTY
SAE AS27643A-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Self-Aligning@ Double Row@ Heavy Duty
SAE AS27643-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Self-Aligning@ Double Row@ Heavy Duty
SAE AS27647-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Extra Wide@ Double Row@ Intermediate Duty
SAE AS27647A-1998 Bearing@ Ball@ Airframe@ Anti-Friction@ Extra Wide@ Double Row@ Intermediate Duty (FSC 3110; Should Be Used Instead of MS27467F@ Which Was Cancelled on 23 July 1998)
SAE AS27647C-2012 BEARING, BALL, AIRFRAME, ANTI-FRICTION, EXTRA WIDE, DOUBLE ROW, INTERMEDIATE DUTY
SAE AS27643B-2002 Bearing, Ball, Airframe, Anti-Friction, Self-Aligning, Double Row, Heavy Duty
SAE AS27647B-2002 BEARING, BALL, AIRFRAME, ANTI-FRICTION, EXTRA WIDE, DOUBLE ROW, INTERMEDIATE DUTY
SAE AS28913A-1999 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type II (FSC 3110; Should Be Used Instead of MS28913D@ Which Was Cancelled on 02 September 1998)
SAE AS28913C-2014 BEARING@ ROLLER@ SELF-ALIGNING@ DOUBLE ROW@ AIRFRAME@ ANTI-FRICTION@ SEALED@ TYPE II
SAE AS28913-1998 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type II (FSC 3110; Should Be Used Instead of MS28913D@ Which Was Cancelled on 02 September 1998)
SAE AS28914A-1999 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type III (FSC 3110; Should Be Used Instead of MS28914D@ Which Was Cancelled on 02 September 1998)
SAE AS28914-1998 Bearing@ Roller@ Self-Aligning@ Double Row Airframe@ Anti-Friction@ Sealed@ Type III (FSC 3110; Should Be Used Instead of MS28914D@ Which Was Cancelled on 02 September 1998)
SAE AMS3731/2D-2016 Potting Compound@ Epoxy Bisphenol A-Type Filled@ Heat Cure@ Low CTE Thermal Shock Resistant
SAE AS28915-1998 Bearing@ Roller@ Self-Aligning@ Double Row Torque Tube@ Airframe@ Anti-Friction@ Sealed@ Type IV (FSC 3110; Should Be Used Instead of MS28915D@ Which Was Concelled on 02 September 1998)
SAE AS28915A-1999 Bearing@ Roller@ Self-Aligning@ Double Row Torque Tube@ Airframe@ Anti-Friction@ Sealed@ Type IV (FSC 3110; Should Be Used Instead of MS28915D@ Which Was Concelled on 02 September 1998)
SAE AS28915B-2005 BEARING@ ROLLER@ SELF-ALIGNING@ DOUBLE ROW TORQUE TUBE@ AIRFRAME@ ANTI-FRICTION@ SEALED@ TYPE IV
SAE AS28915C-2012 BEARING@ ROLLER@ SELF-ALIGNING@ DOUBLE ROW TORQUE TUBE@ AIRFRAME@ ANTI-FRICTION@ SEALED@ TYPE IV
SAE AS24466A-2017 BEARING, ROLLER, NEEDLE-DOUBLE ROW, HEAVY DUTY, TRACK ROLLER, TYPE VI, ANTIFRICTION, INCH
SAE AS27643/1-2011 BEARING@ BALL@ AIRFRAME@ ANTI-FRICTION@ SELF-ALIGNING@ DOUBLE ROW@ HEAVY DUTY@ CORROSION RESISTANT NITROGEN STEEL (CREN)
SAE AS27643/1A-2017 BEARING@ BALL@ AIRFRAME@ ANTI-FRICTION@ SELF-ALIGNING@ DOUBLE ROW@ HEAVY DUTY@ CORROSION RESISTANT NITROGEN STEEL (CREN)

Professional Standard - Agriculture, double antibody ps

954药典化学药和生物制品卷-2010 Chapter 11 Anti-parasitic Drugs Section 2 Anti-Helminth Drug Triphenylamidine
938药典化学药和生物制品卷-2010 Chapter 11 Antiparasitic Drugs Section 1 Antiprotozoal Drugs 1. Antimalarial Drug Dihydroartemisinin
1051药典化学药和生物制品卷-2010 Chapter Thirteen Antipyretic, Analgesic, Anti-inflammatory and Anti-rheumatic Drugs and Anti-Gout Drugs 1. Antipyretic, Analgesic and Anti-inflammatory Drugs Salsalate
1069药典化学药和生物制品卷-2010 Chapter Thirteen Antipyretic, Analgesic, Anti-inflammatory and Anti-rheumatic Drugs and Anti-Gout Drugs 1. Antipyretic, Analgesic and Anti-inflammatory Drug Diclofenac Sodium
945药典化学药和生物制品卷-2010 Chapter 11 Antiparasitic Drugs Section 1 Antiprotozoal Drugs 3. Anti-Amoebic and Trichomonas Drug Diiodoquinoline
1087药典化学药和生物制品卷-2010 Chapter Thirteen Antipyretic, Analgesic, Anti-inflammatory and Anti-rheumatic Drugs and Anti-Gout Drugs 2. Anti-rheumatic Drugs (1) Diacerein
617药典化学药和生物制品卷-2010 Chapter 8 Medications for Blood System Section 3 Anticoagulant Drugs, Antiplatelet Drugs and Thrombolytic Drugs 2. Antiplatelet Drug Dipyridamole
967药典中药成方制剂卷-2010 Various Discussions on Internal Medicine 16. Tonic (7) Yin and Yang Double Tonic Anti-aging Fuchun Tablets
79药典化学药和生物制品卷-2010 Chapter 1 Nervous System Drugs Section 4 Anti-migraine Medicine Diclofenac Sodium

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association, double antibody ps

JEDEC JESD24-12-2004 Thermal Impedance Measurement for Insulated Gate Bipolar Transistors (Delta VCE(on) Method) (This is an alternative method to JEDEC Standard No. 24-6)
JEDEC JESD24-6-1991 Thermal Impedance Measurements for Insulated Gate Bipolar Transistors Addendum to JEDEC JESD 24

Jilin Provincial Standard of the People's Republic of China, double antibody ps

DB22/T 2984-2019 Double Antibody Sandwich ELISA Detection Method for Deer Mucosa Disease

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, double antibody ps

GB/T 18964.1-2008 Plastics.Impact-resistant polystyrene(PS-I)moulding and extrusion materials.Part 1:Designation system and basis for specifications
GB/T 18964.2-2003 Plastics--Impact-resistant polystyrene(PS-I)moulding and extrusion materials--Part 2:Preparation of test specimens and determination of properties

HU-MSZT, double antibody ps

GM North America, double antibody ps

GM GM6095M-2000 Fuel and Oil Resistant Tubing Double Wall Non-Reinforced (Revision A)
GM GM6150M-2000 Fuel and Oil Resistant Tubing Double Wall Non-Reinforced (Revision D)

Inner Mongolia Provincial Standard of the People's Republic of China, double antibody ps

DB15/T 1221-2017 Disease-resistant double low cabbage type spring rapeseed hybrid-NM88
DB15/T 1238-2017 Double-antibody sandwich ELISA detection technique for sheep lung adenoma virus
DB15/T 1823-2020 Technical Regulations for High-quality Cultivation of Wine Grapes in Cold and Drought Areas of Plateau with Double Antibiotics

Jiangxi Provincial Standard of the People's Republic of China, double antibody ps

DB36/T 1626-2022 Technical regulations for low temperature and adversity cultivation of double cropping rice

Professional Standard - Commodity Inspection, double antibody ps

SN/T 3949-2014 Plastic package.Determination of harmful material bisphenol A.Conjuction of antigen and antibody method

Professional Standard - Urban Construction, double antibody ps

CJ/T 445-2014 Pipes and joints made of oriented unplasticized poly (vinyl chloride) (PVC-O)for the conveyance of water under pressure

Defense Logistics Agency, double antibody ps

DLA SMD-5962-96832 REV C-2007 MICROCIRCUIT, LINEAR, RADIATION HARDENED, DUAL, HIGH SPEED, LOW POWER, VIDEO OPERATIONAL AMPLIFIER, MONOLITHIC SILICON
DLA SMD-5962-95813 REV G-2013 MICROCIRCUIT, LINEAR RADIATION HARDENED CMOS, DUAL SPDT ANALOG SWITCHES, MONOLITHIC SILICON
DLA SMD-5962-96786 REV A-2010 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, CMOS/TTL CONVERTER, 8-BIT, BIDIRECTIONAL, MONOLITHIC SILICON
DLA SMD-5962-07215 REV B-2010 MICROCIRCUIT, LINEAR, BiCMOS, RADIATION HARDENED, DUAL HIGH SPEED, VOLTAGE COMPARATOR, MONOLITHIC SILICON
DLA SMD-5962-07215 REV C-2012 MICROCIRCUIT, LINEAR, BiCMOS, RADIATION HARDENED, DUAL HIGH SPEED, VOLTAGE COMPARATOR, MONOLITHIC SILICON
DLA SMD-5962-95812 REV D-2013 MICROCIRCUIT, LINEAR RADIATION HARDENED CMOS, DUAL, DPST ANALOG SWITCHES, MONOLITHIC SILICON
DLA SMD-5962-97512 REV D-2005 MICROCIRCUIT, LINEAR, RADIATION HARDENED, DUAL WIDEBAND, HIGH INPUT IMPEDANCE UNCOMPENSATED OPERATIONAL AMPLIFIER, MONOLITHIC SILICON
DLA SMD-5962-96526 REV D-2012 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, ADVANCED CMOS, DUAL 4-INPUT NAND GATE, MONOLITHIC SILICON
DLA SMD-5962-99558 REV G-2008 MICROCIRCUIT, LINEAR, RADIATION HARDENED, HIGH SPEED, DUAL OUTPUT PULSE WIDTH MODULATION, MONOLITHIC SILICON
DLA SMD-5962-02547 REV A-2010 MICROCIRCUIT, LINEAR, RADIATION HARDENED, DUAL, WIDEBAND VIDEO OPERATIONAL AMPLIFIER, MONOLITHIC SILICON
DLA SMD-5962-99558 REV H-2012 MICROCIRCUIT, LINEAR, RADIATION HARDENED, HIGH SPEED, DUAL OUTPUT PULSE WIDTH MODULATION, MONOLITHIC SILICON
DLA SMD-5962-96622 REV C-2005 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, CMOS, DUAL D-TYPE FLIP-FLOP, MONOLITHIC SILICON
DLA SMD-5962-96629 REV C-2003 MICROCIRCUIT, DIGITAL, RADIATION HARDENED, CMOS, DUAL J-K MASTER SLAVE FLIP-FLOP, MONOLITHIC SILICON

Aerospace Industries Association/ANSI Aerospace Standards, double antibody ps

AIA/NAS NAS 1572-1981 Switch Fitting Box Two Gang, Weatherproof, Single Device (Rev. 2)
AIA/NAS NAS 1574-1979 Switch Fitting Box One, Two, or Three Gang, Non-Weatherproof (Rev. 1)

Shandong Provincial Standard of the People's Republic of China, double antibody ps

DB37/T 2843-2016 Duck Tembusu virus double antibody sandwich ELISA detection method

未注明发布机构, double antibody ps

BS EN ISO 2897-2:2003(2004) Plastics — Impact - resistant polystyrene (PS - I) moulding and extrusion materials — Part 2 : Preparation of test specimens and determination of properties

United States Navy, double antibody ps

NAVY MIL-H-24606 B-1994 HOSE, FIRE, SYNTHETIC FIBER, DOUBLE JACKETED, TREATED FOR ABRASION RESISTANCE, WITH COUPLINGS, FIRE FIGHTING AND OTHER WATER SERVICE

Indonesia Standards, double antibody ps

SNI 4431-2011 Cara uji kuat lentur beton normal dengan dua titik pembebanan

American Gear Manufacturers Association, double antibody ps

AGMA 932-A05-2005 Rating the Pitting Resistance and Bending Strength of Hypoid Gears

廊坊市市场监督管理局, double antibody ps

DB1310/T 230-2020 Technical specifications for graphene-modified polyethylene double-resistance materials for mine use

American Society for Testing and Materials (ASTM), double antibody ps

ASTM D4705-00(2005) Standard Test Method for Stitch Tear Strength of Leather, Double Hole
ASTM A307-00 Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength
ASTM A307-02 Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength

Yunnan Provincial Standard of the People's Republic of China, double antibody ps

DB53/T 835-2017 Technical regulations for the production of double stress-resistant tobacco coated pelleted seeds

American National Standards Institute （ANSI), double antibody ps

ASSE 1053-2019 (R2023) Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type

Professional Standard - Aviation, double antibody ps

HB 8377-2013 Aluminum Alloy Light Duty Shear Resistant Sealed MJ Thread Double Hex High Lock Nut

工业和信息化部, double antibody ps

HG/T 3974-2019 Antioxidant bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite (626)