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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
Methanol for industrial use
WITHDRAWN published on 28.9.1992
Selected format:Methanol for industrial use
WITHDRAWN published on 29.11.2004
Selected format:Specifications of interworking for group 1 facsimile apparatus used in telephone network
WITHDRAWN published on 1.1.1982
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Technical requirements for group 3 facsimile apparatus used in public telephone network
WITHDRAWN published on 1.1.1993
Selected format:Metallic materials—Ductility testing—High speed compression test for porous and cellular metals
WITHDRAWN published on 31.5.2017
Selected format:Parameters of interface for the analogue carrier systems over the network
WITHDRAWN published on 29.12.1982
Selected format:General technical requirement for water jacket furnace
WITHDRAWN published on 31.5.2017
Selected format:Methods of evaluating the performance of electrical and pneumatic analog recorders and indicators for industrial-process measurement and control systems
WITHDRAWN published on 2.6.1988
Selected format:Methods of evaluating the performance of moving coil indicators for industrial-process measurement and control systems
WITHDRAWN published on 1.10.1992
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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