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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
Steel wire ropes—Vocabulary for acceptance and defect
WITHDRAWN published on 30.5.2008
Selected format:YBZEYBZSE range three-phase induction motors for crane application flameproof electromagnetic braking technical specifications
WITHDRAWN published on 13.6.2008
Selected format:Technical specification for YBZS range of flame-proof double-speed three-phase induction motors for crane application
WITHDRAWN published on 13.6.2008
Selected format:Technical specification for YGP series variable-frequency adjustable-speed three-phase induction motors for roll table application
WITHDRAWN published on 13.6.2008
Selected format:(The parts and units of jigs and fixtures. Hook plate (combined))
WITHDRAWN published on 1.1.1991
Selected format:Technical specifications for YZD range of multi-speed three-phase induction motors for crane application
WITHDRAWN published on 13.6.2008
Selected format:Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical application—Part 1:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications
WITHDRAWN published on 13.6.2008
Selected format:Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 2:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with axial fan)
WITHDRAWN published on 31.12.2012
Selected format:Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors(cooled with centrifugal fan) for crane and metallurgical applications
WITHDRAWN published on 17.12.2013
Selected format:Technical specification for YZR3 range of wound-rotor three-phase induction motors for crane and metallurgical applications
WITHDRAWN published on 13.6.2008
Selected format:Latest update: 2026-01-19 (Number of items: 2 257 233)
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