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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
Keyway milling cutters with taper shank
WITHDRAWN published on 1.1.1981
Selected format:Petroleum products--Determination of total sulfur content--Lamp method
WITHDRAWN published on 31.3.1989
Selected format:Liquid petroleum products--Determination of hydrocarbon types--Fluorescent indicator absorption method
WITHDRAWN published on 1.1.1989
Selected format:Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption
WITHDRAWN published on 14.1.2002
Selected format:Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption
WITHDRAWN published on 23.6.2008
Selected format:Liquid petroleum products—Determination of water—Karl fischer reagent method
WITHDRAWN published on 31.3.1989
Selected format:Petroluem distillates and commercial aliphatic olefins—Determination of bromine number—Electrometric titration
WITHDRAWN published on 31.3.1989
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Shell end mills
WITHDRAWN published on 1.1.1985
Selected format:Shell end mills—Part 1:Dimensions
WITHDRAWN published on 18.11.1998
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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