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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
General safety principles of nuclear reactor protection system
WITHDRAWN published on 16.8.2005
Selected format:Self-stressing concrete pipe for water
WITHDRAWN published on 30.7.1999
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Semirigid PVC plastics floor tiles
WITHDRAWN published on 26.12.1983
Selected format:Semirigid polyvinyl chloride floor tiles
WITHDRAWN published on 19.1.2005
Selected format:Tables for statistical distributions--Normal distribution
WITHDRAWN published on 21.12.1983
Selected format:Tables for statistical distributions--2-distribution
WITHDRAWN published on 21.12.1983
Selected format:Tables for statistical distributions--t-distribution
WITHDRAWN published on 21.12.1983
Selected format:Tables for statistical distributions--Binomial distribution
WITHDRAWN published on 21.12.1983
Selected format:Tables for statistical distributions--Poissondistribution
WITHDRAWN published on 21.12.1983
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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