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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
Hygienic standard for dimethyl acetamide in the air of workplace
WITHDRAWN published on 23.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute carbon monoxide poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational decompression sickness
WITHDRAWN published on 22.2.1988
Selected format:Pathologic diagnostic criteria of pneumoconioses
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute trialkyltin poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational solvent gasoline poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute nickel carbonyl poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute phosgene poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute aromatic amino-and nitro compounds (excluding TNT) poisoning
WITHDRAWN published on 22.2.1988
Selected format:Diagnostic criteria and principles of management of occupational acute hydrogen sulfide poisoning
WITHDRAWN published on 22.2.1988
Selected format:Latest update: 2025-08-22 (Number of items: 2 213 186)
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