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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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Fixed low-power non-wirewound resistors--Type RT13 carbon film fixed resistors--Assessment level E
WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Fixed low-power non-wirewound resistors--Type RJ13 metal film fixed resistors--Assessment level E
WITHDRAWN published on 1.1.1987
Selected format:Holders (Enclosures), crystal, general specification for
WITHDRAWN published on 31.12.1987
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WITHDRAWN published on 1.1.1987
Selected format:Variable ceramic vacuum capacitors of type CKTB 400/7. 5/60
WITHDRAWN published on 1.1.1987
Selected format:Defect criteria in useful screen area for cathode ray tubes
WITHDRAWN published on 1.1.1987
Selected format:Inspection standards for glass bulbs for cathode ray tubes
WITHDRAWN published on 1.1.1987
Selected format:Silicon switching rectifier diode for type 2CN31D
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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