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Standards GB - Chinese national standards - Page 5793
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 12971.4-1991
WITHDRAWN
Show all technical information.
Trolley and contact wires for electric traction--Part 4: Aluminium-steel and aluminium alloy composite trolley wires
WITHDRAWN published on 6.6.1991
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GB 12971.5-1991
WITHDRAWN
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Trolley and contact wires for electric traction--Part 5: Aluminium alloy trolley and contact wires
WITHDRAWN published on 6.6.1991
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GB 12972.1-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 1:General
WITHDRAWN published on 6.6.1991
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GB 12972.10-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 10:Miner""s cap lamp cords
WITHDRAWN published on 6.6.1991
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GB 12972.2-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 2:Flexible coalcutter cables for rated voltages up to 0.66/1.14kV
WITHDRAWN published on 6.6.1991
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GB 12972.3-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 3:Trailing coalcutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV
WITHDRAWN published on 6.6.1991
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GB 12972.4-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 4:Flexible coalcutter cables with indivdual metallic screens for rated voltage of 0.66/1.14kV
WITHDRAWN published on 6.6.1991
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GB 12972.5-1991
WITHDRAWN
Show all technical information.
Flexible rubber-sheathed cables for mining purposes—Part 5:Flexible cables for rated voltage up to 0.66/1.14kV
WITHDRAWN published on 6.6.1991
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GB 12972.6-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 6:Flexible cables with monitoring core and semiconducting screens for rated voltage of 3.6/6kV
WITHDRAWN published on 6.6.1991
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GB 12972.7-1991
WITHDRAWN
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Flexible rubber-sheathed cables for mining purposes—Part 7:Flexible cables with screens for rated voltage of 3.6/6kV
WITHDRAWN published on 6.6.1991
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