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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
Specifications of optical power meter
WITHDRAWN published on 24.3.1995
Selected format:The grade quality standards of mould pressing steamed red ginseng
WITHDRAWN published on 27.3.1995
Selected format:The grade quality standards of steamed red ginseng
WITHDRAWN published on 27.3.1995
Selected format:The grade quality standards of dried raw ginseng of all tassels
WITHDRAWN published on 27.3.1995
Selected format:The grade quality standards of dried raw ginseng
WITHDRAWN published on 27.3.1995
Selected format:The grade quality standards of preserved fresh ginseng
WITHDRAWN published on 27.3.1995
Selected format:The grade quality standards of activated ginseng
WITHDRAWN published on 27.3.1995
Selected format:Mehtod for the Determination of Ethoxyquin Residue in Fruits
WITHDRAWN published on 27.3.1995
Selected format:The chemical oxide coating for iron and steel
WITHDRAWN published on 2.4.1995
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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