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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
Technical parameters and measuring methods for. FM stereophonic broadcasting transmitters with supplementary channel
WITHDRAWN published on 6.4.1984
Selected format:Technical parameters and measuring methods for FM broadcasting transmitters of dual programmes
WITHDRAWN published on 13.3.1987
Selected format:General specification for fabric printing ribbons used on office machines for information processing and printing machines
WITHDRAWN published on 1.1.1984
Selected format:Office machines and printing machines used for information processing--General specification of fabric printing ribbons
WITHDRAWN published on 5.4.1995
Selected format:Information technology—General specification of fabric printing ribbons used for office machines and printing machines
WITHDRAWN published on 18.7.2002
Selected format:Getter terms
WITHDRAWN published on 3.1.2000
Selected format:Optical transfer function—Terminology, symbol
WITHDRAWN published on 12.4.1984
Selected format:Optical transfer function—Directives of measurement
WITHDRAWN published on 22.12.1988
Selected format:Solid coumarone-indene resin
WITHDRAWN published on 1.1.1989
Selected format:Method for the determination of apparent colour of solid coumarone-indene resin
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-10-15 (Number of items: 2 238 420)
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