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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
Crawler cranes
WITHDRAWN published on 24.2.2016
Selected format:Crawler cranes
WITHDRAWN published on 24.2.2016
Selected format:Fire hydrant box
WITHDRAWN published on 19.8.1993
Selected format:Fire hydrant box
WITHDRAWN published on 8.10.2003
Selected format:Kaolin clay
WITHDRAWN published on 28.6.1993
Selected format:Specification and test method of Kaolin clay
WITHDRAWN published on 16.2.2008
Selected format:Test method of kaolin clay physical properties
WITHDRAWN published on 28.6.1993
Selected format:Kaolin clay chemical analysis
WITHDRAWN published on 28.6.1993
Selected format:Specification and type for conventional domed metallic bursting discs
WITHDRAWN published on 19.8.1993
Selected format:Specification and type for reverse domed metallic bursting discs
WITHDRAWN published on 19.8.1993
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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