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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
Methods of evaluation for image quality of electrostatic copies
Standard published on 11.10.2021
Selected format:Classification, designation nomenclature and basic specifications for lithium primary batteries
Standard published on 18.6.2008
Selected format:Single-stage reciprocating refrigerant compressor (unit)
Standard published on 28.12.2018
Selected format:General terminology of machining tooling
Standard published on 11.8.2008
Selected format:Safety requirements of fan for air conditioning
Standard published on 10.1.2001
Selected format:Straight-sided internal splines Length series
Standard published on 16.5.2005
Selected format:Technical requirements of heavy duty railway motor trolley
Standard published on 2.9.2010
Selected format:Technical requirements of heavy duty tailway mator trolley
Standard published on 1.1.2012
Selected format:Basic paramaters of cylindrical worm gears
Standard published on 14.5.2018
Selected format:Symbols for cylindrical worm and wormwheel
Standard published on 14.5.2018
Selected format:Latest update: 2024-07-26 (Number of items: 2 339 085)
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