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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
Copper alloy integrated shaft sleeves--Technical requirements
WITHDRAWN published on 3.3.1981
Selected format:Railway applications—Rolling stock—Combined testing—Part 1:Combined testing of inverter-fed alternating current motors and their control system
WITHDRAWN published on 2.9.2010
Selected format:-
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Rolling stock—Combined testing—Part 2:Combined testing of chopper-fed direct current traction motors and their control system
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Rolling stock—Combined testing—Part 3:Combined testing of alternating current motors,fed by an indirect converter,and their control system
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Electronic equipments used on rail vehicles
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Traction transformers and inductors on board rolling stock
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Rolling stock equipment—Capacitors for power electronics
WITHDRAWN published on 2.9.2010
Selected format:Railway applications—Power convertors installed on board rolling stock—Part 1:Characteristics and test methods
WITHDRAWN published on 2.9.2010
Selected format:Electric traction—Rotating electrical machines for rail and road vehicles—Part 1:Machines others than electronic convertor-fed alternating current motors
WITHDRAWN published on 2.9.2010
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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