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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
Motor vehicle maintenance and repair terms
WITHDRAWN published on 21.7.2005
Selected format:Flared type tube fittings—Straight thread connector—Assembly
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Straight thread connector—Body
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Male connector—Assembly
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Male connector—Body
WITHDRAWN published on 25.11.1985
Selected format:Flared typed tube fittings—Straight thread long connector—Assembly
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Straight thread long connector—Body
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Union—Assembly
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Union—Body
WITHDRAWN published on 25.11.1985
Selected format:Flared type tube fittings—Male elbow—Assembly
WITHDRAWN published on 25.11.1985
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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