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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WITHDRAWN published on 1.1.1986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:Copper base brazing filler metals
WITHDRAWN published on 10.6.1993
Selected format:Copper base brazing filler metals
WITHDRAWN published on 26.6.2008
Selected format:Regulations for the qualification test of diver-welders
WITHDRAWN published on 24.5.1986
Selected format:Freight trailer series pedigree
WITHDRAWN published on 28.5.1986
Selected format:Freight trailer series pedigree
WITHDRAWN published on 29.6.2004
Selected format:Methods for drawing energy flow diagram of industrial enterprise
WITHDRAWN published on 27.5.1986
Selected format:Directives for measuring and testing energy consumption in industrial enterprises
WITHDRAWN published on 27.5.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:General requirements of heat and power cogenerating systems
WITHDRAWN published on 12.6.1995
Selected format:Latest update: 2026-04-15 (Number of items: 2 272 661)
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