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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WITHDRAWN published on 1.1.1982
Selected format:Test method for strength of hydraulic cement mortar
WITHDRAWN published on 29.6.1985
Selected format:Method of test for sanding property of coatings of primers and putties
WITHDRAWN published on 15.9.1979
Selected format:Circuit-breaker for equipment
WITHDRAWN published on 23.3.1999
Selected format:Circuit-breaker for equipment
WITHDRAWN published on 19.6.2008
Selected format:Capacitors for power electronics
WITHDRAWN published on 7.2.2013
Selected format:Power electronic capacitors—Part 1:General
WITHDRAWN published on 23.3.1999
Selected format:Power electronic capacitors—Part 2:Requirements for disconnecting test on fuses,destruction test,self-healing test and endurance test
WITHDRAWN published on 23.3.1999
Selected format:Paints and varnishes—Determination of resistance to neutral salt spray
WITHDRAWN published on 24.8.1991
Selected format:Paints and varnishes—Determination of resistance to neutral salt spray(fog)
WITHDRAWN published on 11.9.2007
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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