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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
Welded steel gas cylinders
WITHDRAWN published on 26.12.1994
Selected format:Welded steel gas cylinders
WITHDRAWN published on 20.7.2011
Selected format:Fired common bricks
WITHDRAWN published on 15.7.1998
Selected format:Fired common bricks
WITHDRAWN published on 29.4.2003
Selected format:Broaches for involute spline technical specifications
WITHDRAWN published on 27.4.1985
Selected format:The general technical specifications for involute splines hobs
WITHDRAWN published on 27.4.1985
Selected format:The basic types and dimensions of hobs for 30°pressure angle involute splines
WITHDRAWN published on 27.4.1985
Selected format:The basic types and dimensions of hobs for 30°pressure angle involute splines
WITHDRAWN published on 10.2.2004
Selected format:The basic types and dimensions of hobs for 45°pressure angle involute splines
WITHDRAWN published on 27.4.1985
Selected format:The basic types and dimensions of hobs for 45°pressure angle involute splines
WITHDRAWN published on 10.2.2004
Selected format:Latest update: 2024-04-26 (Number of items: 2 896 057)
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