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Standards GB - Chinese national standards - Page 5794
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 12972.8-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 8:Flexible drill cables for rated voltage of 0.3/0.5kV
WITHDRAWN published on 6.6.1991
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GB 12972.9-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 9:Flexible light-duty cables
WITHDRAWN published on 6.6.1991
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GB/T 12973-1991
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Dimensions for commutators and slip-rings
WITHDRAWN published on 6.6.1991
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GB/T 12974-1991
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General specification for a.c. lift motors
WITHDRAWN published on 6.6.1991
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GB/T 12974-2012
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General specification for a.c.lift motor
WITHDRAWN published on 31.12.2012
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GB/T 12974.2-2014
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General specification for a.c. lift motor—Part 2:Permanent magnet synchronous motor
WITHDRAWN published on 5.12.2014
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GB/T 12975-1991
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General specification for synchronous generator in ship
WITHDRAWN published on 6.6.1991
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GB/T 12975-2008
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General specification for synchronous generator in ship
WITHDRAWN published on 30.6.2008
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GB/T 12976.1-1991
WITHDRAWN
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Copper or aluminium conductor paper-insulated power cables with rated voltages up to 35kV—Part 1:General
WITHDRAWN published on 6.6.1991
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GB/T 12976.2-1991
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Copper or aluminium conductor paper-insulated power cables with rated voltages up to 35kV—Part 2:Non-draining oil impregnated paper-insulated metal-sheathed power cables
WITHDRAWN published on 6.6.1991
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