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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
Diagnostic criteria and principles of management of occupational acute nitrogen oxides
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational acute toluene poisoning
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational cadmium poisoning
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational dermatonosis General
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational electroflash dermatitis
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational contact dermatitis
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational photosensitive dermatitis
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational melanosis
WITHDRAWN published on 25.5.1987
Selected format:Rolling bearings—Housings for insert bearing—Boundary dimensions
WITHDRAWN published on 14.12.1995
Selected format:Rolling bearings—Insert bearing units boundary dimensions
WITHDRAWN published on 14.12.1995
Selected format:Latest update: 2025-07-19 (Number of items: 2 208 893)
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