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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 organophosphates poisoning
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational acute electric ophthalmia (Keratoconjunctivitis caused by ultraviolet rays)
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational acute methyl bromide poisoning
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteria and principles of management of occupational acute phosphine poisoning
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic critreia and principles of management of occupational chromium induced nasal disease
WITHDRAWN published on 25.5.1987
Selected format:Diagnostic criteris and principles of management of occupational acute acrylonitrile poisoning
WITHDRAWN published on 25.5.1987
Selected format:Specifications for construction and acceptance of chimney
WITHDRAWN published on 12.8.1985
Selected format:Hexagon socket set screws with cone point
WITHDRAWN published on 26.9.2000
Selected format:Carbureters for automobile engines--Dimensions of outlet flanges
WITHDRAWN published on 19.2.1979
Selected format:Diagnostic criteria and principles of management of occupational acute ammonia poisoning
WITHDRAWN published on 25.5.1987
Selected format:Latest update: 2025-07-20 (Number of items: 2 209 004)
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