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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
Fry and fingerling of bighead carp
Standard published on 29.9.2006
Selected format:The minimum mesh size of the trawl cod-end in the East China Sea and Yellow Sea
Standard published on 2.6.2005
Selected format:The minimum mesh size of the traw1 cod-end in South China Sea
Standard published on 2.6.2005
Selected format:Reaction to fire tests for floorings-Determination of the burning behaviour using a radiant heat source
Standard published on 28.9.2005
Selected format:Fibre ropes—Polyester—3-,4-,8-and 12-strand ropes
Standard published on 12.5.2017
Selected format:Ropes and cordage-Equivalence between naturai fibre ropes and man-made fibre ropes for use in the mooring of vessels
Standard published on 5.9.2007
Selected format:Round wire concentric lay overhead electrical stranded conductors
Standard published on 1.11.2017
Selected format:Test methods on mechanical and weathering properties for unplasticized polyvinyl chloride (PVC-U) doors and windows
Standard published on 24.12.2008
Selected format:The graphics symbols for the scene of road traffic accident
Standard published on 10.6.2005
Selected format:Marine explosion-proof type centrifugal fans
Standard published on 3.3.2008
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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