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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
Lithium-iodine battery for cardiac pacemaker
WITHDRAWN published on 1.1.1988
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WITHDRAWN published on 1.1.1988
Selected format:Single-stage reciprocating refrigerant compressors
WITHDRAWN published on 30.8.2001
Selected format:General terminology of machining tooling
WITHDRAWN published on 22.2.1989
Selected format:Straight-sided internal spline—Length series
WITHDRAWN published on 10.12.1988
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WITHDRAWN published on 1.1.1988
Selected format:Technical requirements of heavy duty railway motor trolley
WITHDRAWN published on 9.10.1996
Selected format:Technical requirements of heavy duty railway motor trolley
WITHDRAWN published on 2.9.2010
Selected format:Technical requirements of DAF type catenary setting and stretching car group for electric railway
WITHDRAWN published on 1.1.1988
Selected format:Vibration and shock—methods for analysis and presentation of data
WITHDRAWN published on 10.12.1988
Selected format:Latest update: 2026-10-02 (Number of items: 2 304 304)
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