Standards GB - Chinese national standards - Page 5820

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GB 12972.4-1991 WITHDRAWN

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WITHDRAWN published on 6.6.1991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GB 12972.5-1991 WITHDRAWN

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WITHDRAWN published on 6.6.1991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GB 12972.6-1991 WITHDRAWN

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WITHDRAWN published on 6.6.1991

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