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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
Safety standard for light metals portable stepladder
WITHDRAWN published on 9.12.1986
Selected format:Hot-rolled beam steel—Dimensions, shape, weight and tolerances
WITHDRAWN published on 5.9.1988
Selected format:Hot rolled section steel
WITHDRAWN published on 19.8.2008
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:General specificatoins for rotary electrical machines in ships
WITHDRAWN published on 12.4.1994
Selected format:General specifications for rotary electrical machines in ships
WITHDRAWN published on 30.6.2008
Selected format:General specification for low-voltage switchgear and controlgear assemblies in ships
WITHDRAWN published on 1.1.1986
Selected format:Low-voltage switchgear and controlgear assemblies in ships
WITHDRAWN published on 15.9.2003
Selected format:Automotive air brake hose assemblies
WITHDRAWN published on 1.1.1986
Selected format:The wheel guards of motor vehicles
WITHDRAWN published on 31.5.1994
Selected format:Latest update: 2026-06-16 (Number of items: 2 283 261)
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