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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
General specification of quality for pre-recorded audio cassette
WITHDRAWN published on 30.12.1993
Selected format:General specification for black-white monitors
WITHDRAWN published on 30.12.1993
Selected format:General specification for black-white monitors
WITHDRAWN published on 31.10.2011
Selected format:General specification for monochrome television broadcasting receivers
WITHDRAWN published on 30.12.1993
Selected format:Method for chemical analysis of platinumrutheniumalloys
WITHDRAWN published on 13.2.1979
Selected format:Generic specification for transformers and inductors for use in telecommunication and electronic equipment
WITHDRAWN published on 30.12.1993
Selected format:Safety requirements and testing methods for equipments of applied TV
WITHDRAWN published on 30.12.1993
Selected format:Standard test method for net carrier density in silicon epitaxial layers by voltage-capacitance of gated and ungated diodes
WITHDRAWN published on 30.12.1993
Selected format:Method for net carrier density in silicon epitaxial layers by voltage-capacitance of gated and ungated diodes
WITHDRAWN published on 31.12.2013
Selected format:Radio frequency cables with solid polyethylene dielectric
WITHDRAWN published on 30.12.1993
Selected format:Latest update: 2026-04-05 (Number of items: 2 271 011)
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