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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
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WITHDRAWN published on 1.1.1985
Selected format:General technical specifications for finishing fire retardant paint
WITHDRAWN published on 16.10.1998
Selected format:Finishing fire retardant paint
WITHDRAWN published on 30.11.2005
Selected format:Test method for the hydroxyl groups content of silica glass
WITHDRAWN published on 21.7.1990
Selected format:Metallic materials—Torsional stress fatigue testing
WITHDRAWN published on 21.7.1990
Selected format:Metallic materials—Torsional stress fatigue testing method
WITHDRAWN published on 23.11.2007
Selected format:Metallic materials--Wear tests--MM modewear test
WITHDRAWN published on 21.7.1990
Selected format:Metallic materials--Wear tests--Block-on-ring wear test
WITHDRAWN published on 21.7.1990
Selected format:-
WITHDRAWN published on 1.1.1990
Selected format:-
WITHDRAWN published on 1.1.1990
Selected format:Latest update: 2026-01-01 (Number of items: 2 253 680)
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