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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
Graphite for making synthetic diamond
WITHDRAWN published on 10.5.2004
Selected format:Calipers with electronic digital display
WITHDRAWN published on 5.1.1994
Selected format:Pencil
WITHDRAWN published on 1.1.1987
Selected format:Erection works of electrical installations Code for construction and acceptance of bus-bar device
WITHDRAWN published on 1.1.1990
Selected format:Pencil
WITHDRAWN published on 8.12.1995
Selected format:Method for chemical analysis of gold-phosphorusalloys
WITHDRAWN published on 13.2.1979
Selected format:Single sampling procedures and tables for product quality audit by variables for mean value
WITHDRAWN published on 22.1.1994
Selected format:Test method for density of glass—Method of the sink-float comparison
WITHDRAWN published on 30.12.1993
Selected format:Ready-mixed concrete
WITHDRAWN published on 1.1.1994
Selected format:Ready-mixed concrete
WITHDRAWN published on 1.7.2003
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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