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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
The norm of energy consumption per unit product of polypropylene
WITHDRAWN published on 30.6.2015
Selected format:Norm of energy consumption per unit throughout of bulk terminal
WITHDRAWN published on 30.6.2015
Selected format:The norm of energy consumption per unit product of toluene diisocyanate
WITHDRAWN published on 30.6.2015
Selected format:Norm of energy consumption per unit product of ammonium bicarbonate
WITHDRAWN published on 30.6.2015
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Masonry cement
WITHDRAWN published on 28.7.1997
Selected format:Masonry cement
WITHDRAWN published on 22.5.2003
Selected format:The norm of energy consumption per unit product of diphenyl methane diisocyanate
WITHDRAWN published on 30.6.2015
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Lead chrome yellow
WITHDRAWN published on 30.12.1993
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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