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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
Phosphoric acid for industrial use
WITHDRAWN published on 1.9.1992
Selected format:Phosphoric acid for industrial use
WITHDRAWN published on 25.8.2003
Selected format:External micrometer with electronic digital display
WITHDRAWN published on 30.4.2007
Selected format:Seamless inner grooved copper tube
WITHDRAWN published on 30.4.2007
Selected format:Seamless inner grooved copper tube
WITHDRAWN published on 30.4.2007
Selected format:Formic acid for industrial use
WITHDRAWN published on 15.6.1993
Selected format:Lithium strip
WITHDRAWN published on 30.4.2007
Selected format:Hot rolled U-sheet pile
WITHDRAWN published on 14.5.2007
Selected format:Hot rolled sheet pile
WITHDRAWN published on 30.9.2014
Selected format:Hot rolled sheet pile
WITHDRAWN published on 30.9.2014
Selected format:Latest update: 2024-09-25 (Number of items: 2 350 354)
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