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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WITHDRAWN published on 1.1.1986
Selected format:Test methods for fiber cement products
WITHDRAWN published on 28.7.1997
Selected format:Test methods for fiber cement prdoucts
WITHDRAWN published on 5.12.2014
Selected format:Hot-rolled round and square steels—Dimension, shape, weight and tolerance
WITHDRAWN published on 7.6.1986
Selected format:Hot-rolled round and square steel bars-Dimension,Shape,weight and tolerance
WITHDRAWN published on 19.1.2004
Selected format:Hot-rolled steel bars—Dimensions,shape,weight and tolerances
WITHDRAWN published on 5.8.2008
Selected format:Testing method of insulating glass
WITHDRAWN published on 14.11.1986
Selected format:Glossary of terms for centrifugal pump
WITHDRAWN published on 17.11.1986
Selected format:Determination of sound power lever for noise emitted by displacement compressors--Survey method
WITHDRAWN published on 17.11.1986
Selected format:Long-term leach testing of solidified radioactive waste forms
WITHDRAWN published on 3.12.1986
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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