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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
Industrial classification for national economic activities
WITHDRAWN published on 10.5.2002
Selected format:Industrial classification for national economic activities
WITHDRAWN published on 29.4.2011
Selected format:Microkator
WITHDRAWN published on 30.10.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Petroleum liquids—Manual sampling
WITHDRAWN published on 17.6.1998
Selected format:Methods for the froth flotation testing of coal
WITHDRAWN published on 1.1.1984
Selected format:Methods for the batch flotation testing of fine coal
WITHDRAWN published on 12.11.2001
Selected format:Fireclay and high alumina plastic refractories
WITHDRAWN published on 1.1.1984
Selected format:Method for sample preparation of fireclay and high alumina plastic refractories
WITHDRAWN published on 1.1.1984
Selected format:Test method for linear change of fireclay and high alumina plastic refractories
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2026-02-03 (Number of items: 2 259 855)
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