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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
Feeler gauges
WITHDRAWN published on 1.1.1987
Selected format:Indicating micrometers
WITHDRAWN published on 13.7.1987
Selected format:Micrometer with dial comparator
WITHDRAWN published on 10.2.2004
Selected format:The dasic types and dimensions for pre-grinding hobs
WITHDRAWN published on 1.1.1987
Selected format:The general technical specification for pre-grinding hobs
WITHDRAWN published on 1.1.1987
Selected format:Designations of non-Ferrous alloys
WITHDRAWN published on 1.1.1987
Selected format:Designation of cast nonferrous metals and their alloys
WITHDRAWN published on 19.7.1994
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Symbole for electroplated diamond inner slicing dises, files, points
WITHDRAWN published on 1.1.1987
Selected format:Eloctroplated diamond inner slicing discs
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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