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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
Criteria for accident monitoring instrumentations in nuclear power generating stations—Criteria for instrumentations
WITHDRAWN published on 29.8.1992
Selected format:Nuclear reactor use of the protection system for non-safety purpose
WITHDRAWN published on 29.8.1992
Selected format:Criteria for safety system for nuclear power plants
WITHDRAWN published on 1.1.1992
Selected format:Applicable criteria for digital computers in safety systems of nuclear power plants
WITHDRAWN published on 17.11.1998
Selected format:Applicable criteria for digital computers in safety systems of nuclear power plants
WITHDRAWN published on 2.7.2008
Selected format:Design for control rooms of nuclear power plants
WITHDRAWN published on 29.8.1992
Selected format:Design criteria for supplementary control point of nuclear power plants
WITHDRAWN published on 29.8.1992
Selected format:Design criteria for supplementary control point of nuclear power plants
WITHDRAWN published on 9.10.2015
Selected format:Permanent magnet D.C. tachogenerator—General specification
WITHDRAWN published on 29.8.1992
Selected format:Calibration of force-proving instruments used for the verification of testing machines
WITHDRAWN published on 17.10.2000
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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