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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
Electroplated diamond files
WITHDRAWN published on 1.1.1987
Selected format:Electroplated diamond points
WITHDRAWN published on 1.1.1987
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Functional gauges
WITHDRAWN published on 28.8.1998
Selected format:Method of testing for rating air distributor performance
WITHDRAWN published on 1.1.1987
Selected format:Chrysotile asbestos
WITHDRAWN published on 29.4.2001
Selected format:Method of sampling and preparation for chrysotile asbestos
WITHDRAWN published on 15.7.1987
Selected format:Method of wet determination for loftiness of chrysotile asbestos
WITHDRAWN published on 15.7.1987
Selected format:Testing method for specific surface of cement—Blaine method
WITHDRAWN published on 15.7.1987
Selected format:Classification, nomenclature and definition of concrete admixtures
WITHDRAWN published on 15.7.1987
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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