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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Plastics—Polypropylene(PP) moulding and extrusion materials—Part 1:Designation system and basis for specifications
WITHDRAWN published on 23.1.2006
Selected format:Plastics—Polypropylene(PP) moulding and extrusion materials—Part 2:preparation of test specimens and determination of properties
WITHDRAWN published on 10.2.2003
Selected format:Plastic resins—Sampling
WITHDRAWN published on 28.3.1981
Selected format:Dichlorvos emulsifiable concentrates
WITHDRAWN published on 11.1.1993
Selected format:Dichlorvos technical
WITHDRAWN published on 28.3.1981
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Specification for hose for equipment for gas welding, cutting and related processes—Oxygen rubber hose
WITHDRAWN published on 9.6.1992
Selected format:Gas welding equipment—Rubber hose for welding, cutting and allied processes
WITHDRAWN published on 28.11.2007
Selected format:Gas welding equipment—Rubber hoses for welding, cutting and allied processes
WITHDRAWN published on 24.2.2016
Selected format:Minimum allowable values of water efficiency and water efficiency grades for faucets
WITHDRAWN published on 10.1.2011
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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