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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
Surface active agents—Test method for stability of water-in-oil emulsion—Part 1:Determination of storage stability of water-in-oil emulsion—Oven method
WITHDRAWN published on 22.8.1996
Selected format:Surface active agents—Test method for stability of water-in-oil emulsion—Part 2:Determination of storage stability of water-in-oil emulsion—Low to ambient temperature cycling method
WITHDRAWN published on 22.8.1996
Selected format:Guide to the drafting of electrical safety standards
WITHDRAWN published on 22.8.1996
Selected format:The preparation of safety publications and the use of basic safety publications and group safety publications
WITHDRAWN published on 28.5.2008
Selected format:Direct sky blue 5B
WITHDRAWN published on 1.1.1982
Selected format:Direct blue B (Direct sky blue 5B)
WITHDRAWN published on 13.7.2001
Selected format:Direct blue B(Direct sky blue 5B)
WITHDRAWN published on 24.4.2009
Selected format:Code of Chinese ideograms set for information interchange—The 7th supplementary set
WITHDRAWN published on 10.11.1998
Selected format:Hot rolled strip of aluminium and aluminium alloy
WITHDRAWN published on 29.8.1996
Selected format:Classification and code of employment form in labour contract system
WITHDRAWN published on 2.9.1996
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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