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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
Relief grooves for grinding wheels
Standard published on 27.9.2008
Selected format:Acceptance code for gear units-Part1:Test code for airborne sound
Standard published on 19.9.2005
Selected format:Acceptance code for gear units-Part2:Determination of mechanical vibrations of gear units during acceptance testing
Standard published on 19.9.2005
Selected format:Superabrasive—Types of cubic boron nitride
Standard published on 29.12.2017
Selected format:Superabrasive—Checking the grain size
Standard published on 13.10.2016
Selected format:Superabrasive—Cubic boron nitride
Standard published on 13.7.2018
Selected format:Chemical reagent - Potassium peroxydisulfate
Standard published on 12.5.2011
Selected format:A series of size of knitted underwear
Standard published on 18.6.2008
Selected format:Test method for household coal and stoves
Standard published on 30.10.2009
Selected format:Calculation of scuffing load capacity of cylindricalbevel and hypoid gears--Part 1:Flash temperature method
Standard published on 25.11.2003
Selected format:Latest update: 2026-08-09 (Number of items: 2 292 444)
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