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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
Radiation protection equipment for the measuring and monitoring of airborne tritium
WITHDRAWN published on 1.1.1987
Selected format:Radiation protection equipment for the measuring and monitoring of airborne tritium
WITHDRAWN published on 7.1.1987
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Requirements of reliability analysis for nuclear power plant safety systems
WITHDRAWN published on 26.4.1999
Selected format:Requirements of reliability analysis for nuclear power plant safety systems
WITHDRAWN published on 19.9.2008
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Radiation detectors for nuclear reactors--Characteristics and test methods
WITHDRAWN published on 7.1.1987
Selected format:Radiation detectors for nuclear reactors-Characteristics and test methods
WITHDRAWN published on 4.2.2004
Selected format:Equipment for continuously monitoring radioactivity in gaseous effluents—Part 1:General requirements
WITHDRAWN published on 7.1.1987
Selected format:Equipment for continuously monitoring radioactivity in gaseous effluents—Part 2:specific requirements for aerosol effluent monitors
WITHDRAWN published on 12.4.1988
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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