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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
Health standard for acrylic acid in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for ethylamine in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for phthalic anhydride in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for tin dioxide in th air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for selenium in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for dichloromethane in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for trichlormethane in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Manganous sulphate for industrial use
WITHDRAWN published on 1.1.1986
Selected format:Health standard for beauveria bassiana in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Health standard for hydrazine in the air of workplace
WITHDRAWN published on 3.4.1996
Selected format:Latest update: 2025-11-06 (Number of items: 2 243 364)
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