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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
Terminal characteristics for group 4 document facsimile apparatus
WITHDRAWN published on 31.7.1993
Selected format:Test method for flexural properties of sandwich constructions
WITHDRAWN published on 20.9.1988
Selected format:Test method for flexural properties of sandwich constructions
WITHDRAWN published on 18.5.2005
Selected format:Technical requirement for cranes with litting capacity up to 150 tons
WITHDRAWN published on 19.8.1993
Selected format:Crawler cranes
WITHDRAWN published on 16.6.2011
Selected format: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WITHDRAWN published on 24.2.2016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WITHDRAWN published on 24.2.2016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WITHDRAWN published on 19.8.1993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WITHDRAWN published on 8.10.2003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WITHDRAWN published on 28.6.1993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:Latest update: 2026-06-10 (Number of items: 2 281 917)
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