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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
Type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses(Type B RCCBs and Type B RCBOs)
WITHDRAWN published on 30.12.2008
Selected format:Quilts,quilt cover
WITHDRAWN published on 21.4.2009
Selected format:Quilts,Quilt cover
WITHDRAWN published on 21.4.2009
Selected format:Sheet
WITHDRAWN published on 21.4.2009
Selected format:Sheet
WITHDRAWN published on 21.4.2009
Selected format:Test method for fiber fall off of towel product
WITHDRAWN published on 21.4.2009
Selected format:Test method for hydroscopicity of towel product
WITHDRAWN published on 21.4.2009
Selected format:Metallic materials--Tensile testing
WITHDRAWN published on 1.1.1987
Selected format:Metallic materials--Tensile testing
WITHDRAWN published on 27.2.1987
Selected format:Metallic materials—Tensile testing at ambient temperature
WITHDRAWN published on 10.3.2002
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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