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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
Aluminum and aluminum alloys--Inspection method of microstructure for wrought products
WITHDRAWN published on 1.1.1982
Selected format:Organic compounds in drinking water—Test methods of geosmin and 2-methylisoborneol
WITHDRAWN published on 14.6.2016
Selected format:Determining method of resistivity of copper, nickel and their alloys
WITHDRAWN published on 21.6.1982
Selected format:LED—Binning—Part 1: General requirements and white colour grid
WITHDRAWN published on 24.2.2016
Selected format:Watch-cases and accessories—Vapour phase deposited coatings
WITHDRAWN published on 24.2.2016
Selected format:Standard method for determination of particle size of powders of refractory metals and compounds—Fisher method
WITHDRAWN published on 21.6.1982
Selected format:Test method for Fisher number of metal powders and related compounds
WITHDRAWN published on 5.1.2009
Selected format:Packing containers—Steel drum
WITHDRAWN published on 30.10.2000
Selected format:Packing containers—Steel drums—Part 1:General specifications
WITHDRAWN published on 18.7.2008
Selected format:Aluminium and aluminium alloys—Riveting test method for rivet wire
WITHDRAWN published on 21.6.1982
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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