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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
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WITHDRAWN published on 1.1.1983
Selected format:Standard method for measuring diameter of fine wire of the precious metals and their alloys(weighing method)
WITHDRAWN published on 21.2.1983
Selected format:Zinc oxide produced by direct method
WITHDRAWN published on 1.1.1983
Selected format:Zinc oxide produced by direct method
WITHDRAWN published on 4.11.1996
Selected format:Arsenic
WITHDRAWN published on 1.1.1983
Selected format:Zinc plates for lithography
WITHDRAWN published on 21.2.1983
Selected format:Information technology—Implementation and operation of customer premises cabling—Part1:Administration
WITHDRAWN published on 7.6.2018
Selected format:Information technology—Implementation and operation of customer premises cabling—Part 2:Planning and installation
WITHDRAWN published on 1.11.2017
Selected format:Technical requirements of bauxite
WITHDRAWN published on 1.1.1983
Selected format:Lubricating greases—Determination of dropping point (wide temperature range)
WITHDRAWN published on 31.3.1983
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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