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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
Copper clad aluminum flat bars and wires manufactured by continuous-casting and rolling
WITHDRAWN published on 9.6.2014
Selected format:Crude benzol
WITHDRAWN published on 1.1.1982
Selected format:External thermal insulation composite systems based on extruded polystyrene
WITHDRAWN published on 9.6.2014
Selected format:Method for the determination of the distillation process of crude benzol
WITHDRAWN published on 1.1.1982
Selected format:Well-facilitated farmland construction—General rules
WITHDRAWN published on 6.5.2014
Selected format:National Food Safety Standard -- Food Additives -- Diammonium Hydrogen Phosphate
WITHDRAWN published on 29.4.2014
Selected format:National Food Safety Standard -- Food Flavor [including 2016 Modification 1]
WITHDRAWN published on 29.4.2014
Selected format:Method for the determination of the distillation process of refined heavy benzol
WITHDRAWN published on 1.1.1982
Selected format:Method for the determination of the coumarone-indene content of refined heavy benzol
WITHDRAWN published on 1.1.1982
Selected format:Determination of sialic acid in swiflets nest and swiflets nest products—Liquid chromatographic method
WITHDRAWN published on 31.12.2014
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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