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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
Wind turbines—Communications for monitoring and control of wind power plants—Part 4:Mapping to communication profile
WITHDRAWN published on 24.7.2014
Selected format:Wind turbines—Communications for monitoring and control of wind power plants—Part 5:Conformance testing
WITHDRAWN published on 15.5.2015
Selected format:Wind turbines—Communications for monitoring and control of wind power plants—Part 6:Logical node classes and data classes for condition monitoring
WITHDRAWN published on 15.5.2015
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WITHDRAWN published on 1.1.1982
Selected format:Mechanical properties of fasteners—Bolts, screws and studs
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners. Self-drilling tapping screws
WITHDRAWN published on 1.1.1995
Selected format:Mechanical properties of fasteners—Nuts made of stainless-steel
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Stainless steel nuts
WITHDRAWN published on 24.6.2014
Selected format:Mechanical properties of fasteners—Set screws made of stainless-steel
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Nuts—Coarse thread
WITHDRAWN published on 26.9.2000
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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