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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
Hexagon lobular socket head cap screws--Property class 8.8
WITHDRAWN published on 1.10.1986
Selected format:Jew""s-ear fungus
WITHDRAWN published on 18.1.1986
Selected format:Auricularia auricular
WITHDRAWN published on 7.8.2008
Selected format:Determination of crude fibre in cereals seeds
WITHDRAWN published on 1.1.1986
Selected format:Determination of soluble sugar in vegetable and fruit
WITHDRAWN published on 18.1.1986
Selected format:Determination of vitamin C in vegetables and fruits(2,6-dichloro-indophenol titration method)
WITHDRAWN published on 18.1.1986
Selected format:Drum chipper parameters
WITHDRAWN published on 1.1.1986
Selected format:Veneer roller dryer
WITHDRAWN published on 4.12.2000
Selected format:Accuracy tests of the veneer roller dryers
WITHDRAWN published on 1.1.1986
Selected format:Veneer net-belt dryer
WITHDRAWN published on 4.12.2000
Selected format:Latest update: 2026-04-20 (Number of items: 2 274 419)
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