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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WITHDRAWN published on 1.1.1985
Selected format:Test method for thermal conductivity of beryllium oxide ceramics
WITHDRAWN published on 27.11.1985
Selected format:Railway vehicles—Specification for evaluation the dynamic performance and accreditation test
WITHDRAWN published on 25.11.1985
Selected format:(CHINESE NATIONAL STANDARD)
WITHDRAWN published on 1.1.1983
Selected format:Rope thimbles
WITHDRAWN published on 1.1.1987
Selected format:General technical specification for freight cars
WITHDRAWN published on 1.1.1985
Selected format:General technical specification for freight cars
WITHDRAWN published on 2.7.1997
Selected format:General technical specification for railway freight car
WITHDRAWN published on 14.12.2006
Selected format:Rules for inspecting and testing of freight car after completion of construction
WITHDRAWN published on 25.11.1985
Selected format:Rules for inspecting and testing of railway freight car after completion of construction
WITHDRAWN published on 14.12.2006
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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