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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
The tables of quantities of the non-central t-distribution
WITHDRAWN published on 21.12.1995
Selected format:Common Chinese abbreviations used in dictionaries
WITHDRAWN published on 20.12.1995
Selected format:Common Chinese abbreviations used in dictionaries
WITHDRAWN published on 15.7.2005
Selected format:Cord sets
WITHDRAWN published on 23.5.1996
Selected format:Electrical accessories—Cord sets and interconnection cord sets
WITHDRAWN published on 19.6.2008
Selected format:Magnetic stripes on savingsbooks
WITHDRAWN published on 21.12.1995
Selected format:The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the VHF/UHF bands
WITHDRAWN published on 21.12.1995
Selected format:General specification for equipment of radio paging system
WITHDRAWN published on 21.12.1995
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Basic multiplexing structure for synchronous digital hierarchy signals
WITHDRAWN published on 21.12.1995
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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