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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
Monosodium L-glutamate(99% Wei jing)
WITHDRAWN published on 5.4.2000
Selected format:Mechanical toys— type of spare parts of toys-Listion method
WITHDRAWN published on 14.8.2000
Selected format:Pure nitrogen
WITHDRAWN published on 2.12.1996
Selected format:High purity nitrogen
WITHDRAWN published on 2.12.1996
Selected format:Determination of trace hydrogen in gases—Gas chromatographic method
WITHDRAWN published on 15.3.1988
Selected format:Determination of trace hydrogen in gases - Gas chromatographic method
WITHDRAWN published on 15.5.2008
Selected format:Oxygen supplies for medicine
WITHDRAWN published on 19.10.1998
Selected format:Breathing oxygen supplies for aircraft
WITHDRAWN published on 19.10.1998
Selected format:Determination of carbon monoxide,carbon dioxide and hydrocarbon in the gases—Part 1:Determination of carbon monoxide,carbon dioxide and mathane in the gases—Gas chromatographic method
WITHDRAWN published on 13.8.1997
Selected format:Determination of carbon monoxide,carbon dioxide and hydrocarbon in the gases—Part 2:Determination of total content of carbon monoxide,carbon dioxide and hydrocarbon in gases—Gas chromatographic method
WITHDRAWN published on 13.8.1997
Selected format:Latest update: 2024-09-09 (Number of items: 2 346 212)
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