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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
Experimental method of high-pressure isothermal adsorption to coal
WITHDRAWN published on 29.7.2008
Selected format:Rules for the constructing of the save energy sunlight greenhouse in cold zone
WITHDRAWN published on 22.6.2004
Selected format:Rules for investigation and forecast of soybean moth
WITHDRAWN published on 22.6.2004
Selected format:Experimental identification method for variety of soybean seed-ISSR
WITHDRAWN published on 22.6.2004
Selected format:Experimental identification method for species of larch seed-RAPD
WITHDRAWN published on 22.6.2004
Selected format:Pyranometer
WITHDRAWN published on 22.6.2004
Selected format:Technical regulations for sugarcane high yield cultivation in dry-farmland
WITHDRAWN published on 22.6.2004
Selected format:Bacillus thuringgiensis technical
WITHDRAWN published on 22.6.2004
Selected format:Bacillus thuringgiensis suspension concentrate
WITHDRAWN published on 22.6.2004
Selected format:Bacillus thuringgiensis wettable power
WITHDRAWN published on 22.6.2004
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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