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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
Drawings for hull of concrete ships
WITHDRAWN published on 17.7.1995
Selected format:Taxonomic codes of the Chinese fauna—Vertebrates
WITHDRAWN published on 21.6.1995
Selected format:Taxonomic codes of the China fauna—Part 1:Vertebrates
WITHDRAWN published on 15.10.2009
Selected format:Information processing systems—Local area networks—Part 2:Logical link control
WITHDRAWN published on 21.6.1995
Selected format:Information processing systems—Local area networks—Part 3:Carrier sense multiple access with collision detection(CSMA/CD)—access method and physical layer specifications
WITHDRAWN published on 21.6.1995
Selected format:Information processing systems—Local area network—Part 4:Token-passing bus access method and physical layer specifications
WITHDRAWN published on 2.9.1997
Selected format:Taper keys--Cross section dimensions of keys and keyways
WITHDRAWN published on 23.6.1979
Selected format:Taper keys—Cross section dimensions of keyways
WITHDRAWN published on 5.6.2003
Selected format:Performance requirements and test methods for point infrared flame detectors
WITHDRAWN published on 19.7.1995
Selected format:General specifications for live-line lifting device
WITHDRAWN published on 25.7.1995
Selected format:Latest update: 2025-11-13 (Number of items: 2 243 644)
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