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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
Cylindrical gears for general engineering and for heavy engineering - Modules
Standard published on 4.12.2008
Selected format:Woodworking machines - Single spindle moulding machines - Nomenclature and acceptance conditions
Standard published on 22.4.2008
Selected format:
Single spindle moulding machines for woodworking—Vocabulary and accuracy
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Woodworking machines - Single spindle boring machines - Nomenclature and acceptance conditions
Standard published on 22.4.2008
Selected format:
Vertical single spindle boring machines for woodworking—Vocabulary and accuracy
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Woodworking machines—Planing machines for two-,three-or four-side dressing—Nomenclature and acceptance conditions
Standard published on 11.8.2008
Selected format:Circular saw blades for woodworking
Standard published on 17.7.1992
Selected format:Metal-cutting machine tools--Test code for static rigidity
Standard published on 17.7.1992
Selected format:Classical and narrow V-belt drivesPart 1: System based on datum width
Standard published on 30.12.2022
Selected format:Classical and narrow V-belt drives—Part 2: Effective system
Standard published on 30.12.2022
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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