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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
Dynamic test method for performance of marine antifouling coatings
WITHDRAWN published on 25.5.1987
Selected format:Optimeter
WITHDRAWN published on 31.3.1989
Selected format:Test method for the resistance of cathodic disbondment of anticorrosive paint
WITHDRAWN published on 25.1.1996
Selected format:Test method for performance of reduces frictional resistance of self-polishing antifouling coatings—Method of round dish rotor moments
WITHDRAWN published on 25.5.1987
Selected format:Hygienic standard of chairs and desks for school
WITHDRAWN published on 12.5.1987
Selected format:Hygienic standard of lighting and illumination in elementary and middle school
WITHDRAWN published on 12.5.1987
Selected format: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WITHDRAWN published on 25.5.1987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WITHDRAWN published on 25.5.1987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WITHDRAWN published on 25.5.1987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WITHDRAWN published on 25.5.1987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:Latest update: 2026-03-29 (Number of items: 2 269 691)
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