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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
Codes for identification of bank (Insurance company)
WITHDRAWN published on 16.5.1992
Selected format:Terminology for high-voltage direct current transmission
WITHDRAWN published on 19.6.1992
Selected format:Terminology for high-voltage direct current(HVDC)transmission
WITHDRAWN published on 21.6.2007
Selected format:Application guide for power transformers
WITHDRAWN published on 20.6.1992
Selected format:-
WITHDRAWN published on 1.1.1982
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WITHDRAWN published on 1.1.1987
Selected format:Specifications for the design of highrise structures
WITHDRAWN published on 2.7.1990
Selected format:Paddy
WITHDRAWN published on 1.11.1999
Selected format:Three phase asynchronous motors for hermetic refrigeration compressors—General specifications
WITHDRAWN published on 19.6.1992
Selected format:Electric motors for hermetic refrigeration compressors—Test methods of insulation resistance to freon
WITHDRAWN published on 19.6.1992
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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