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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
Vulcanized rubber—Determination of magnesium content—CyDTA titration
WITHDRAWN published on 1.9.1992
Selected format:Vulcanized rubber—Determination of calcium content—EGTA titration
WITHDRAWN published on 1.9.1992
Selected format:Rubber—Determination of bound styrene content—Spectrophotometric method
WITHDRAWN published on 1.9.1992
Selected format:Compounding ingredients for rubber products—Determination of sieve residue—Water-flushing method
WITHDRAWN published on 1.9.1992
Selected format:Chemical reagent--General rules for the determination of amino acids
WITHDRAWN published on 1.9.1992
Selected format:Fenitrothion technical
WITHDRAWN published on 1.9.1992
Selected format:Fenitrothion technical
WITHDRAWN published on 30.11.2009
Selected format:Fenitrothion emulsifiable concentrate
WITHDRAWN published on 1.9.1992
Selected format:Fenitrothion emulsifiable concentrate
WITHDRAWN published on 27.4.2009
Selected format:Retreaded aircraft tyre
WITHDRAWN published on 19.10.1998
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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