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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
Coke—Determination of total sulfur
WITHDRAWN published on 19.8.2008
Selected format:Worsted yarn interweave with wollen yarn fabric
WITHDRAWN published on 21.4.2009
Selected format:Sea-island filament fabrics
WITHDRAWN published on 21.4.2009
Selected format:Semi-worsted fabric
WITHDRAWN published on 21.4.2009
Selected format:Towel
WITHDRAWN published on 21.4.2009
Selected format:Towel
WITHDRAWN published on 21.4.2009
Selected format:Metal sheet and strip interleaving paper
WITHDRAWN published on 30.12.2008
Selected format:Superabsorbent polymer for sanitary towel
WITHDRAWN published on 30.12.2008
Selected format:Paper,board and pulps—Determination of residue(ash)on ignition at 525
WITHDRAWN published on 30.12.2008
Selected format:Method for the determination of water content of coal —Carbonization products
WITHDRAWN published on 31.12.1980
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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