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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
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WITHDRAWN published on 1.1.1983
Selected format:Wing nuts
WITHDRAWN published on 7.10.1958
Selected format:Chemical reagent—Hydrofluoric acid
WITHDRAWN published on 1.3.1993
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:General specifications for wide belt sanders
WITHDRAWN published on 4.12.2000
Selected format:Accuracy tests of the wide belt sanders
WITHDRAWN published on 1.1.1986
Selected format:Parameters of the drum sanders
WITHDRAWN published on 1.1.1986
Selected format:Accuracy tests of the drum sanders
WITHDRAWN published on 1.1.1986
Selected format:Blank detail specification for black and white picture tubes
WITHDRAWN published on 11.4.1986
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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