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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
Test procedures for with external rotor motors
WITHDRAWN published on 31.12.2008
Selected format:Test procedures for small power synchronous motors
WITHDRAWN published on 31.12.2008
Selected format:Natural graphite brush for rotating electrical machinery--Basic characteristics
WITHDRAWN published on 31.12.2008
Selected format:Drill sleeve screw
WITHDRAWN published on 1.1.1991
Selected format:Methods used to designate model of controls for household and similar use
WITHDRAWN published on 31.12.2008
Selected format:Packaging and marking on controls for household and similar use
WITHDRAWN published on 31.12.2008
Selected format:Bimetal temperature controls for household and similar use
WITHDRAWN published on 31.12.2008
Selected format:Pressure-type temperature controls for household and similar use
WITHDRAWN published on 31.12.2008
Selected format:-
WITHDRAWN published on 1.1.1980
Selected format:Boring sleeve screw
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-01-22 (Number of items: 2 257 357)
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