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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
Code of Chinese ideograms set for information interchange--The 7th supplementary set
WITHDRAWN published on 10.11.1998
Selected format:Hot rolled strip of aluminium and aluminium alloy
WITHDRAWN published on 29.8.1996
Selected format:Classification and code of employment form in labour contract system
WITHDRAWN published on 2.9.1996
Selected format:Information processing systems—Data communication—Automatic fault isolation procedures using test loops
WITHDRAWN published on 2.9.1996
Selected format:Information technology—Telecommunications and information exchange between systems—Protocol combinations to provide and support the OSI network Service—Part 1:General principles
WITHDRAWN published on 2.9.1996
Selected format:Information technology—Telecommunications and information exchange between systems—Protocol combinations to provide and support the OSI Network Service—Part 2:Provision and support of the connection—mode Network Service
WITHDRAWN published on 2.9.1996
Selected format:Information technology—Telecommunication and information exchange between systems—Protocol combinations to provide and support the OSI Network Service—Part 3:Provision and support of the connectionless—Mode Network Service
WITHDRAWN published on 26.12.1996
Selected format:Rules for construction of stationary boilers
WITHDRAWN published on 3.9.1996
Selected format:Water-tube boilers—Part 1:General requirement
WITHDRAWN published on 31.12.2013
Selected format:Water-tube boilers—Part 2:Materials
WITHDRAWN published on 31.12.2013
Selected format:Latest update: 2025-09-15 (Number of items: 2 233 685)
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