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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
Metal halide lamps (NaI-TlI-InI3 series)—Performance requirements
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 1:General
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 2:Emission of the whole railway system to the outside world
WITHDRAWN published on 30.12.2011
Selected format:Railway applications—Electromagnetic compatibility—Part 3-1:Rolling stock—Train and complete vehicle
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 3-2:Rolling stock—Apparatus
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 4:Emission and immunity of the signalling and telecommunications apparatus
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Electromagnetic compatibility—Part 5:Emission and immunity of fixed power supply installations and apparatus
WITHDRAWN published on 30.9.2009
Selected format:Railway applications—Communication,signalling and processing systems—Part 1:Safety-related communication in closed transmission systems
WITHDRAWN published on 30.9.2009
Selected format:Railway application—Communication,signalling and processing systems—Part 2:Safety-related communication in open transmission systems
WITHDRAWN published on 30.9.2009
Selected format:Cord fabric for tyres--Rules for grading of apparent defects
WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-10-13 (Number of items: 2 304 853)
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