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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
Safety requirements of small power motors
Standard published on 15.4.2022
Selected format:Environmental technical requirements of rotating electric machines for tropical use
Standard published on 13.6.2008
Selected format:Safety code for passengers aerial ropeways
Standard published on 14.5.2018
Selected format:Micrographics - Splices of microfilm with image - Dimensions and Operational Constraints
Standard published on 16.7.2008
Selected format:Micrographics - 16 mm planetary cameras - Test target for checking performance
Standard published on 16.7.2008
Selected format:Multimode optical fibres for telecommunication—Part 1:Sectional specification for category A1 multimode fibres
Standard published on 31.12.2024
Selected format:Multimode optical fibres fortelecommunication--Part 2:Sectional specification for category A2 multimode fibres
Standard published on 8.6.2004
Selected format:Multimode optical fibres fortelecommunication--Part 3:Sectional specification for category A3 multimode fibres
Standard published on 8.6.2004
Selected format:Multimode optical fibres for telcommunication—Part 4: Sectional specification for category A4 multimode fibres
Standard published on 25.4.2016
Selected format:Gas detection and alarm instruments for workplace—General technical requirements
Standard published on 28.11.2024
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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