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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
Levels and test method for storage and backup system
WITHDRAWN published on 13.10.2016
Selected format:General technical specifications for diesel locomotives
WITHDRAWN published on 24.12.1982
Selected format:General technical specifications for diesel locomotives
WITHDRAWN published on 22.8.2006
Selected format:Aluminium and aluminium alloy foil for lithium ion batteries
WITHDRAWN published on 13.10.2016
Selected format:Large capacity seamless steel gas cylinders
WITHDRAWN published on 13.10.2016
Selected format:Rules for inspecting and testing of diesel locomotives after completion of construction
WITHDRAWN published on 24.12.1982
Selected format:Test methods for diesel locomotives on completion of construction and before entry into service
WITHDRAWN published on 22.8.2006
Selected format:Imaging materials—Reflection colour photographic prints—Test print construction and measurement
WITHDRAWN published on 13.10.2016
Selected format:Rubber seals of slewing bearing used in the wind power industry
WITHDRAWN published on 13.10.2016
Selected format:Method of defining the nominal power for diesel locomotives
WITHDRAWN published on 24.12.1982
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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