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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
Steam reciprocating pump
WITHDRAWN published on 1.1.1993
Selected format:Steam reciprocating pump
WITHDRAWN published on 9.4.2002
Selected format:Steam reciprocating pump
WITHDRAWN published on 29.8.2016
Selected format:Terminology of raw natural rubber
WITHDRAWN published on 25.12.1993
Selected format:Natural rubber—Terminology
WITHDRAWN published on 19.6.2008
Selected format:Raw natural rubber—Colour index test
WITHDRAWN published on 25.12.1993
Selected format:Raw natural rubber—Colour index test
WITHDRAWN published on 19.6.2008
Selected format:Natural rubber latex concentrate—Prevulcanized rubber latex
WITHDRAWN published on 25.12.1993
Selected format:Natural rubber latex concentrate - Prevulcanized rubber latex
WITHDRAWN published on 19.6.2008
Selected format:Natural rubber latex concentrate—Prevulcanized rubber latex—Determination of viscosity
WITHDRAWN published on 25.12.1993
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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