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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
Fine mesh safety vertical net
WITHDRAWN published on 7.7.1997
Selected format:Elementary technological conditions of labor health for constructing small industrial enterprises
WITHDRAWN published on 7.7.1997
Selected format:Code of dust control for cement producting
WITHDRAWN published on 7.7.1997
Selected format:Safety technical regulation for oxygen and relative gases
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 1:Dust sampling
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 10:Determination of electrical resistivity—Disk method
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 11:Determination of field resistivity—Concentric rings method by means of filtration
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 2:Determination of effective density—Pyknometer method
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 3:Determination of bulk density—Natural bulk method
WITHDRAWN published on 7.7.1997
Selected format:Methods of dust character test—Part 4:Determination of dispersivity—Andreason pipette method
WITHDRAWN published on 7.7.1997
Selected format:Latest update: 2024-05-03 (Number of items: 2 896 946)
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