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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
Test method for rabbit hair - Part 5: Breaking tenacity and elongation at break of single fibre
Standard published on 23.4.2009
Selected format:Test method for rabbit hair - Part 6: Diameter - Projection microscope method
Standard published on 23.4.2009
Selected format:Test method for rabbit hair - Part 7: Whiteness
Standard published on 23.4.2009
Selected format:Test method for rabbit hair - Part 8: Extractable matter by ether
Standard published on 23.4.2009
Selected format:Test method for rabbit hair - Part 9: Crimp properties
Standard published on 23.4.2009
Selected format:Cabled distributionsystems for television and sound signals--Part 2:Electromagnetic compatibility of equipment
Standard published on 17.10.2000
Selected format:Surface roughness for electronic ceramic parts
Standard published on 28.12.1992
Selected format:Neodymium-doped Yttrium Aluminum Garnet laser rods
Standard published on 31.5.2017
Selected format:
Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1MHz
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Local telecommunication cables with polyolefin insulation and polyolefin sheath - Part 1General
Standard published on 19.7.2013
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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