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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
Shipbuilding—Cargo winches
WITHDRAWN published on 25.2.1987
Selected format:Warping end profiles
WITHDRAWN published on 1.1.1987
Selected format:Terminology of oceanographic research vessel
WITHDRAWN published on 11.3.1987
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Series 1:Thermal containers—Specification and testing
WITHDRAWN published on 20.3.1998
Selected format:Basic size of outlet of cable distribution systems intended for sound and television signals
WITHDRAWN published on 12.3.1987
Selected format:Requirements of 600~9600 bit/s baseband modem
WITHDRAWN published on 2.3.1987
Selected format:Test methods of 600~9600 bit/s baseband MODEM
WITHDRAWN published on 2.3.1987
Selected format:Methods of measurement for television transposers
WITHDRAWN published on 12.3.1987
Selected format:Measuring methods for video tape recorders
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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