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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
Milk tanks
WITHDRAWN published on 14.11.1992
Selected format:-
WITHDRAWN published on 1.1.1978
Selected format:Road vehicles—Semi trailer fifth wheel mounting
WITHDRAWN published on 11.11.1992
Selected format:Road vehicles—Fifth wheels—Interchangeability
WITHDRAWN published on 30.4.2007
Selected format:Pneumatic braking connections between motor vehicles and towed vehicles
WITHDRAWN published on 14.11.1992
Selected format:Determination of iodine in feeds
WITHDRAWN published on 24.11.1992
Selected format:Determination of iodine in feeds(Ferric thiocyanate-nitric acid catalytic kinetic method)
WITHDRAWN published on 2.7.2002
Selected format:Determination of iodine in feeds—Ferric thiocyanate-nitric acid catalytic kinetic method
WITHDRAWN published on 14.1.2011
Selected format:Method for the determination of selenium in feedstuffs—(DAN) fluorometrt
WITHDRAWN published on 24.11.1992
Selected format:Determination of selenium in feeds
WITHDRAWN published on 1.8.2008
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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