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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
Alloy tool steels
WITHDRAWN published on 25.10.2000
Selected format:Information processing systems—Database language SQL with integrity enhancement
WITHDRAWN published on 19.8.1991
Selected format:Seed processing machinery—Terminology
WITHDRAWN published on 23.8.1991
Selected format:Motor wheelchairs
WITHDRAWN published on 19.6.1991
Selected format:Electric wheelchairs
WITHDRAWN published on 19.6.1991
Selected format:Electrically powered wheelchair
WITHDRAWN published on 31.12.2012
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WITHDRAWN published on 1.1.1966
Selected format:Specifications for the design of outdoor water supply
WITHDRAWN published on 22.5.1986
Selected format:Cup head nib bolts
WITHDRAWN published on 24.6.1988
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WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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