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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 methods for electric locomotives on completion of construction and before entry into service
WITHDRAWN published on 22.8.2006
Selected format:Method for defining rated power of electric locomotives
WITHDRAWN published on 1.1.1982
Selected format:Definition of the rated output of electric locomotives and motive power units
WITHDRAWN published on 17.12.1998
Selected format:Railway applications—Structural requirements of railway vehicle bodies
WITHDRAWN published on 13.12.2016
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Frequency response test record
WITHDRAWN published on 10.12.1987
Selected format:Tracking ability and channel separation test record
WITHDRAWN published on 24.12.1982
Selected format:Wow and flutter test record
WITHDRAWN published on 24.12.1982
Selected format:Rumble measurement test record
WITHDRAWN published on 24.12.1982
Selected format:Non-destructive testing—Test method for the accumulation of oxide scale in the metal tube in service by magnetic testing
WITHDRAWN published on 13.12.2016
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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