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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
Radiation protection instrumentation—Neutron ambient dose equivalent (rate) meters
Standard published on 4.6.2019
Selected format:Bonded abrasive products - Vitrified stones for force-honing and superfinishing
Standard published on 3.6.2008
Selected format:Determination method for quantities of -Al2O3 phase in alumina with an X-ray diffractometer
Standard published on 11.7.2022
Selected format:Determination of carbon disulfide content in benzene
Standard published on 8.7.2009
Selected format:Determination of thiophene content in benzene
Standard published on 5.10.2025
Selected format:Roughing end mill
Standard published on 3.6.2008
Selected format:Keyway broaches
Standard published on 3.6.2008
Selected format:Machanically clamped carbide side milling cutters
Standard published on 4.11.2008
Selected format:Automatic spring winding machine—Testing of the accuracy
Standard published on 31.10.2025
Selected format:Rotary axial shaving cutters
Standard published on 3.6.2008
Selected format:Latest update: 2026-08-11 (Number of items: 2 292 404)
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