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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
Steel wire ropes for conveyer belts
WITHDRAWN published on 10.3.2002
Selected format:Steel wire ropes for conveyer belts
WITHDRAWN published on 19.8.2008
Selected format:Coloured paint coat steel plates and strips
WITHDRAWN published on 26.3.1991
Selected format:Prepainted steel sheet
WITHDRAWN published on 5.2.2006
Selected format:Roll-profiled steel sheet for building
WITHDRAWN published on 26.3.1991
Selected format:Steel wire ropes for rubber hose
WITHDRAWN published on 26.3.1991
Selected format:Thermal protective aids for life-saving
WITHDRAWN published on 26.3.1991
Selected format:Signal system for subway—General specification
WITHDRAWN published on 26.3.1991
Selected format:Singal system for urban rail transit—General specifications
WITHDRAWN published on 4.3.2004
Selected format:Cylindrical worm and wormwheel information of the dimensional data to be given on the drawing
WITHDRAWN published on 22.3.1991
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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