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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
Gamma spectrometry method of analysing radionuclides in soil
WITHDRAWN published on 6.10.1989
Selected format:Determination of radionuclides in soil by gamma spectrometry
WITHDRAWN published on 31.12.2013
Selected format:De-airing pug mills
WITHDRAWN published on 1.1.1989
Selected format:Splitting machine
WITHDRAWN published on 1.1.1989
Selected format:Tufting carpet
WITHDRAWN published on 20.10.1989
Selected format:Electrically powered breathing machines
WITHDRAWN published on 1.1.1989
Selected format:Carbon dioxide laser treating instrument
WITHDRAWN published on 10.9.1999
Selected format:Carbon dioxide laser treating instrument
WITHDRAWN published on 24.1.2005
Selected format:Resin-based dental filling materials
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1974
Selected format:Latest update: 2026-02-27 (Number of items: 2 263 604)
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