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Standards GB - Chinese national standards - Page 7035
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
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GB/T 21972.1-2008
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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WITHDRAWN published on 13.6.2008
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GB/T 21972.2-2012
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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WITHDRAWN published on 31.12.2012
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GB/T 21972.3-2013
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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WITHDRAWN published on 17.12.2013
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GB/T 21973-2008
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Technical specification for YZR3 range of wound-rotor three-phase induction motors for crane and metallurgical applications
WITHDRAWN published on 13.6.2008
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GB/T 21974-2008
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Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application
WITHDRAWN published on 13.6.2008
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GB/T 21977-2008
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Camel wool
WITHDRAWN published on 17.6.2008
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GB/T 21979-2008
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Feed grade—L-Threonine
WITHDRAWN published on 17.6.2008
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GB/T 2198-1991
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(The parts and units of jigs and fixtures. Vertical hook plate (combined))
WITHDRAWN published on 1.1.1991
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GB/T 21980-2008
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Current technical criterion for sportswear and exposure suit
WITHDRAWN published on 23.5.2008
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GB/T 21982-2008
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Determination of residues of zearalanol,-zearalanol,-zearalenol,-zearalenol,zearalanone and zearalenone in foodstuffs of animal origin—LC-MS/MS method
WITHDRAWN published on 6.6.2008
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