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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
Technologic rules for X-ray fluorescence analysis of cements
WITHDRAWN published on 22.5.2003
Selected format:Specification of domestic solar water heating systems
WITHDRAWN published on 23.5.2003
Selected format:Packaging for export commodity—General rule
WITHDRAWN published on 23.5.2003
Selected format:Packaging for export commodity general rule
WITHDRAWN published on 10.6.2008
Selected format:Analytical method of element for carbon, Hydrogen and oxygen in rock organics
WITHDRAWN published on 23.5.2003
Selected format:Separation of kerogen from sedimentary rock
WITHDRAWN published on 23.5.2003
Selected format:Determination of total organic carbon in sedimentary rock
WITHDRAWN published on 23.5.2003
Selected format:General requirements for infrared devices for instant screening of human skin temperature
WITHDRAWN published on 29.5.2003
Selected format:Automobile diesel fuels
WITHDRAWN published on 23.5.2003
Selected format:Automobile diesel fuels
WITHDRAWN published on 12.6.2009
Selected format:Latest update: 2025-08-20 (Number of items: 2 213 083)
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