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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
General principle of safety assessment for phosgene and its products plant
WITHDRAWN published on 29.6.1992
Selected format:Chlorsulphonic acid for industrial use
WITHDRAWN published on 29.6.1992
Selected format:Chlorsulphonic acid for industrial use
WITHDRAWN published on 4.6.2008
Selected format:Wheat flour
WITHDRAWN published on 6.5.1986
Selected format:Molecular sieve 5A and its determination
WITHDRAWN published on 29.6.1992
Selected format:Automotive V-ribbed belts
WITHDRAWN published on 19.10.1998
Selected format:Automotive V-ribbed belts
WITHDRAWN published on 30.12.2008
Selected format:High efficiency particulate air filter
WITHDRAWN published on 14.7.1992
Selected format:High efficiency particulate air filter
WITHDRAWN published on 4.11.2008
Selected format:Flexible copper-clad polyimide film for printed circuits
WITHDRAWN published on 8.7.1992
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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