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Standards GB - Chinese national standards - Page 8602
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 755-2008
WITHDRAWN
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Rotating electrical machines—Rating and performance
WITHDRAWN published on 19.6.2008
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GB/T 755-2019
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Rotating electrical machines—Rating and performance
WITHDRAWN published on 10.12.2019
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GB/T 755.2-2003
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Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles)
WITHDRAWN published on 6.8.2003
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GB/T 7550-1987
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Synchronizing universal coupling with ball and sacket
WITHDRAWN published on 21.3.1987
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GB 7551-1987
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WITHDRAWN published on 1.1.1987
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GB/T 7551-1997
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Load cells
WITHDRAWN published on 3.6.1997
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GB 7552-1987
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Resolution test target for photographic lenses
WITHDRAWN published on 1.1.1987
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GB/T 7553-1987
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35mm Camera test chart target
WITHDRAWN published on 25.3.1987
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GB/T 7555-1987
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General characteristics complying with the network performance objectives for 12 channel carrier telephone systems on open-wire pairs
WITHDRAWN published on 26.3.1987
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GB/T 7556-1987
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General characteristics complying with the network performance objectives for 60 channel carrier telephone systems on symmetric cable pairs
WITHDRAWN published on 26.3.1987
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