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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
The parts and units of jigs and fixtures - Moving bend clamp plate
WITHDRAWN published on 1.1.1991
Selected format:Chemicals - Test method of in vivo mammalian erythrocyte micronucleus
WITHDRAWN published on 12.5.2008
Selected format:Coating powders--Determination of stoving condition
WITHDRAWN published on 12.5.2008
Selected format:Test method for particle size distribution of metal powders and related compounds by light scattering
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Turn the bent plate)
WITHDRAWN published on 1.1.1991
Selected format:Plastics—Determination of melting behaviour (melting temperature or melting range) of semi-crystalline polymers by capillary tube and polarizing-microscope methods
WITHDRAWN published on 12.5.2008
Selected format:Chemicals - Test method of bacterial reverse mutation
WITHDRAWN published on 12.5.2008
Selected format:Chemicals - Test method of combined chronic toxicity/carcinogenicity study
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Mobile Broadband head plate)
WITHDRAWN published on 1.1.1991
Selected format:Chemicals - Test method of in vitro mammalian cell gene mutation
WITHDRAWN published on 12.5.2008
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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