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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
Chemicals - Test method of in vitro mammalian cells sister chromatid exchange
WITHDRAWN published on 30.12.2011
Selected format:Chemicals - Bacterial DNA damage or repair test
WITHDRAWN published on 30.12.2011
Selected format:Chemicals - Test method of sex - Linked recessive lethal in Drosophila Melanogaster
WITHDRAWN published on 30.12.2011
Selected format:Chemicals—Test method of acute dermal toxicity—Fixed dose procedure
WITHDRAWN published on 30.12.2011
Selected format:Lubricating oil filters--Centrifugal by-pass type--Technical requirements for assembly
WITHDRAWN published on 1.1.1981
Selected format:Chemicals - Genetic toxicology - Test method of Saccharomyces cerevisiae gene mutation
WITHDRAWN published on 30.12.2011
Selected format:Chemicals - Genetic toxicology - Test method of Saccharomyces cerevisiae mitotic recombination
WITHDRAWN published on 30.12.2011
Selected format:Internal combustion engine--Technical requirements for intake and exhaust valves
WITHDRAWN published on 1.1.1981
Selected format:Fuel consumption test methods for heavy-duty commercial vehicles
WITHDRAWN published on 30.12.2011
Selected format:Internal combustion engine--Technical requirements for valve springs
WITHDRAWN published on 13.5.1988
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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