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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
Minimum allowable values of energy efficiency and energy efficiency grades for AC electric fans
WITHDRAWN published on 20.10.2008
Selected format:Sulphur hexafluoride for industrial use
WITHDRAWN published on 29.12.1989
Selected format:Sulphur hexafluoride for industrial use
WITHDRAWN published on 14.9.2006
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Modified polypropylene laminating plates
WITHDRAWN published on 27.12.1989
Selected format:High density polyethylene blow film
WITHDRAWN published on 29.12.1989
Selected format:Biaxially oriented polypropylene film for heat—seal
WITHDRAWN published on 21.11.2000
Selected format:Test method for dimensional stability of plastic films
WITHDRAWN published on 29.12.1989
Selected format:Sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
Selected format:Determination of moisture andvolatile content of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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