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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
Nickel cobalt manganese composite oxide
WITHDRAWN published on 10.1.2011
Selected format:Aluminium alloys die forgings for motor-wheel
WITHDRAWN published on 10.1.2011
Selected format:Tungsten base,high-density alloy plate
WITHDRAWN published on 10.1.2011
Selected format:o-Cresol;Determination of composition;Gas chromatography
WITHDRAWN published on 10.4.1981
Selected format:Insulators of primary lithium battery for pillar
WITHDRAWN published on 10.1.2011
Selected format:Silica refractory bricks for coke oven
WITHDRAWN published on 1.1.1987
Selected format:Hardmetals—Determination of contents of metallic elements by X-ray fluorescence—Fusion method
WITHDRAWN published on 10.1.2011
Selected format:Tubular welding rods of tungsten carbide
WITHDRAWN published on 10.1.2011
Selected format:Spray welding powder for cemented carbide
WITHDRAWN published on 10.1.2011
Selected format:Reproduced tungsten carbide powder
WITHDRAWN published on 10.1.2011
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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