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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WITHDRAWN published on 1.1.1983
Selected format:Test methods of main specificationsof components and parts of bicycles
WITHDRAWN published on 7.4.1983
Selected format:Frames for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Front forks for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Head sets for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Handles for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Discharge measurement for hydraulic turbines,storage pumps and pump-turbines—Ultrasonic transit-time method
WITHDRAWN published on 29.12.2017
Selected format:Front and rear hubs for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Bottom brackets for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Chain wheels and cranks for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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