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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
Electrically powered wheelchair
WITHDRAWN published on 31.12.2012
Selected format:Water quality--Technical regulation on the design of sampling programmes
WITHDRAWN published on 15.1.1991
Selected format:Water quality--Guidance on sampling techniques
WITHDRAWN published on 25.1.1991
Selected format:Water quality sampling--Technical regulation of the preservation and handling of samples
WITHDRAWN published on 25.1.1991
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WITHDRAWN published on 1.1.1966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WITHDRAWN published on 22.5.1986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WITHDRAWN published on 24.6.1988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WITHDRAWN published on 1.1.1981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:Technical code for reinforced concrete lift-slab structure
WITHDRAWN published on 18.5.1990
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WITHDRAWN published on 1.1.1977
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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