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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 tyre valve—Part 5:Test methods for tyre valves for large core chamber
WITHDRAWN published on 15.12.2009
Selected format:Test method for tyre valve—Part 6:Test method for core
WITHDRAWN published on 18.9.2008
Selected format:Test method for tyre valve core
WITHDRAWN published on 24.9.2002
Selected format:Regulation of application and maintenance of tyres
WITHDRAWN published on 28.8.2000
Selected format:Regulation of application and maintenance of tyre
WITHDRAWN published on 4.6.2008
Selected format:Rim contour inspection
WITHDRAWN published on 5.9.1988
Selected format:Rim contour measure
WITHDRAWN published on 15.9.2005
Selected format:Steel cord conveyor belts for general use
WITHDRAWN published on 29.4.2001
Selected format:The series of single-mode optical fibres for telecommunication—Part 1:Characteristics of a dispersion unshifted single-mode optical fibre
WITHDRAWN published on 17.10.2000
Selected format:Single-mode optical fibres for telecommunication—Part 1:Characteristics of a dispersion unshifted single-mode optical fibre
WITHDRAWN published on 7.10.2008
Selected format:Latest update: 2024-09-02 (Number of items: 2 345 509)
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