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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
Enterprise standard system—Administrative standard system and duty standard system
WITHDRAWN published on 15.9.2003
Selected format:Defects in logs
WITHDRAWN published on 8.12.1995
Selected format:Defects in logs
WITHDRAWN published on 12.7.2006
Selected format:Coniferous woods--Defects--Classification
WITHDRAWN published on 1.1.1984
Selected format:Coniferous woods--Defects--Terms, definition and influence on quality
WITHDRAWN published on 1.1.1984
Selected format:Coniferous woods--Defects--Basic method of measurement
WITHDRAWN published on 1.1.1984
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Standard methods for measuring conductivity type of extrinsic semiconducting materials
WITHDRAWN published on 3.6.1997
Selected format:Methods of random sampling by utilizing electronic sampler of random number
WITHDRAWN published on 4.1.1995
Selected format:Series and products for semiconductor integrated circuits—Products of robot series for Color TV
WITHDRAWN published on 15.3.1995
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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