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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WITHDRAWN published on 1.1.1985
Selected format:End mills with 7: 24 taper shank
WITHDRAWN published on 1.1.1985
Selected format:End mills—Part 1:Milling cutters with parallel shanks
WITHDRAWN published on 5.7.1996
Selected format:End mills—Part 2:Milling cutters with Morse taper shanks
WITHDRAWN published on 5.7.1996
Selected format:End mills—Part 3:Milling cutters with 7/24 taper shanks
WITHDRAWN published on 5.7.1996
Selected format:End mills technical specifications
WITHDRAWN published on 1.1.1985
Selected format:End mills—Technical specifications
WITHDRAWN published on 5.7.1996
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Side and face milling cutter—Tapes and dimensions
WITHDRAWN published on 5.7.1996
Selected format:Side and face milling cutter—Technical specifications
WITHDRAWN published on 5.7.1996
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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