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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
Unitary air conditioners
WITHDRAWN published on 25.5.1999
Selected format:Unitary air conditioners
WITHDRAWN published on 26.9.2010
Selected format:Method of inspection for grey fabric surface defects
WITHDRAWN published on 28.5.1999
Selected format:Method of inspection for grey fabric surface defects
WITHDRAWN published on 21.4.2009
Selected format:Superfine platinum powder
WITHDRAWN published on 1.1.1988
Selected format:Superfine platinum powder
WITHDRAWN published on 17.10.1995
Selected format:Superfine platinum powder
WITHDRAWN published on 5.1.2009
Selected format:Method of inspection for printed and dyed fabric surface defects
WITHDRAWN published on 28.5.1999
Selected format:Method of inspection for printed or dyed fabric surface defects
WITHDRAWN published on 21.4.2009
Selected format:Electric bicycles—General technical requirements
WITHDRAWN published on 28.5.1999
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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