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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WITHDRAWN published on 1.5.1981
Selected format:Plain washers--Large series--Product grades A and C
WITHDRAWN published on 1.8.1985
Selected format:Specifications for the design of Dwelling-house construction
WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic components--High Voltage ceramic capacitors type CT81--Assessment level E
WITHDRAWN published on 1.1.1988
Selected format:Measuring methods of electrical properties of pulsed magnetrons
WITHDRAWN published on 1.1.1988
Selected format:Measuring methods of electrical properties of gas-filled microwave switching devices
WITHDRAWN published on 1.1.1988
Selected format:Detail specification for electronic components--Type CD288 fixed aluminium electrolyte capacitors
WITHDRAWN published on 1.1.1988
Selected format:Detail specification for electronic components--Type CD289 fixed aluminium electrolyte capacitors
WITHDRAWN published on 1.1.1988
Selected format:Detail specification for Electronic component Fixed polypropylene film dielectric metal foil D. C capacitors, type CBB13--Assessment level E
WITHDRAWN published on 1.1.1988
Selected format:Detail specification for electronic components--Type CD30 fixed aluminium electrolyte capacitors
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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