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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WITHDRAWN published on 1.1.1989
Selected format:Rubber,vulcanized or thermoplastic—Determination of adhesion to textile fabric
WITHDRAWN published on 26.9.1997
Selected format:Terminology for electric power plant with internal combustion engines
WITHDRAWN published on 1.1.1985
Selected format:Measurement of loss and efficiency for large AC electrical machines by the calorimetric method
WITHDRAWN published on 22.8.1985
Selected format:Measurement of loss and efficiency for electrical machine by the calorimetric method
WITHDRAWN published on 18.1.2005
Selected format:Technical requirements and testing methods for crossbar private automatic branch exchange
WITHDRAWN published on 1.1.1985
Selected format:CA Diesel engine oils
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Combed polyester/cotton blended grey yarn
WITHDRAWN published on 30.6.1997
Selected format:Combed polyester/cotton blended grey yarn
WITHDRAWN published on 21.4.2009
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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