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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
Woodworking machines - Surface planing machines with cutterblock for one-side dressing - Nomenclature and acceptance conditions
WITHDRAWN published on 22.4.2008
Selected format:Modules of involute cylindrical gears
WITHDRAWN published on 11.6.1987
Selected format:Woodworking machines—Single spindle moulding machines—Accuracy tests
WITHDRAWN published on 17.7.1992
Selected format:Woodworking machines - Single spindle moulding machines - Nomenclature and acceptance conditions
WITHDRAWN published on 22.4.2008
Selected format:Woodworking machines—Single spindle boring machines —Accuracy tests
WITHDRAWN published on 17.7.1992
Selected format:Woodworking machines - Single spindle boring machines - Nomenclature and acceptance conditions
WITHDRAWN published on 22.4.2008
Selected format:Woodworking machines—planing machines for two, three or four-side dressing—Accuracy test
WITHDRAWN published on 17.7.1992
Selected format:Belt drives—Classical V-belt drives
WITHDRAWN published on 30.7.1992
Selected format:Classical and narrow V-belt drives—Part 1:System based on datum width
WITHDRAWN published on 25.8.2008
Selected format:Belt drives—Narrow V-belt drives
WITHDRAWN published on 30.7.1992
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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