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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
Periodic inspection and evaluation of hoop wrapped fibre reinforced composite gas cylinders with metal liners of compressed natural gas for automotive vehicles
WITHDRAWN published on 25.6.2009
Selected format:Periodic inspection and evaluation of steel cylinder for the storage of compressed natural gas for stations
WITHDRAWN published on 25.6.2009
Selected format:Determination of the content of polychloriznated benzenes in dye products
WITHDRAWN published on 25.6.2009
Selected format:Determination of the content of polychlorinated biphenyls in dye products
WITHDRAWN published on 25.6.2009
Selected format:Determination of the content of chlorinated phenols in dye products
WITHDRAWN published on 25.6.2009
Selected format:Determination of the content of polychloriznated toluenes in dye products
WITHDRAWN published on 25.6.2009
Selected format:Determination of the content of phthalate in textile dyeing and finishing auxiliaries
WITHDRAWN published on 25.6.2009
Selected format:Breeding stock—Jinhua pigs
WITHDRAWN published on 14.1.1981
Selected format:Surface antibacterial stainless steel—Part 1:Electrochemical method
WITHDRAWN published on 25.6.2009
Selected format:Steel sheets—Secondary work embrittlement testing method
WITHDRAWN published on 25.6.2009
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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