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Standards GB - Chinese national standards - Page 244
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 12972.3-2008
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Flexible rubber-sheathed cables for mining purposes - Part 3Trailing coalcutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV
Standard published on 30.6.2008
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GB/T 12972.4-2008
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Flexible rubber-sheathed cables for mining purposes - Part 4Flexible coalcutter cables with individual metallic screens for rated voltages up to 1.9/3.3kV
Standard published on 30.6.2008
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GB/T 12972.5-2008
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Flexible rubber-sheathed cables for mining purposes - Part 5Flexible cables for rated voltages up to 0.66/1.14kV
Standard published on 30.6.2008
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GB/T 12972.6-2008
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Flexible rubber-sheathed cables for mining purposes - Part 6Flexible cables with monitoring core and metallic screens for rated voltages up to 6/10kV
Standard published on 30.6.2008
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GB/T 12972.7-2008
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Flexible rubber-sheathed cables for mining purposes - Part 6Flexible cables with screens for rated voltages up to 6/10kV
Standard published on 30.6.2008
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GB/T 12972.8-2008
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Flexible rubber-sheathed cables for mining purposes - Part 8Flexible drill cables for rated voltage of 0.3/0.5kV
Standard published on 30.6.2008
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GB/T 12972.9-2008
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Flexible rubber-sheathed cables for mining purposes - Part 9Flexible light-duty cables for rated voltage of 0.3/0.5kV
Standard published on 30.6.2008
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GB/T 12973-2013
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Dimensions for commutators and slip-rings
Standard published on 17.12.2013
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GB/T 12974.1-2023
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General specification for a.c. lift motor—Part 1: Three-phase asynchronous motor
Standard published on 7.9.2023
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GB/T 12974.2-2023
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General specification for a.c. lift motor—Part 2: Permanent magnet synchronous motor
Standard published on 7.9.2023
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