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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
Determination of trypsin inhibitor activity of soya products
WITHDRAWN published on 6.3.2008
Selected format:Rice—Determination of the potential milling yield from paddy and from husked rice
WITHDRAWN published on 15.2.2008
Selected format:Determination of forms of sulphur in coal
WITHDRAWN published on 1.1.1982
Selected format:Determination of forms of sulfur in coal
WITHDRAWN published on 14.6.1996
Selected format:comnecting nut
WITHDRAWN published on 1.1.1991
Selected format:Performance test method for coal-fired flue gas desulphurization equipment
WITHDRAWN published on 12.3.2008
Selected format:Regulating nut
WITHDRAWN published on 1.1.1991
Selected format:Antimicrobial property detection methods for nano-inorganic materials
WITHDRAWN published on 13.3.2008
Selected format:Determination of the content of fatty acids in feeds
WITHDRAWN published on 3.3.2008
Selected format:Feed additive—Natural betaine
WITHDRAWN published on 3.3.2008
Selected format:Latest update: 2026-09-17 (Number of items: 2 301 467)
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