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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
Plastic or rubber insulated telephone cords--Rubber insulated telephone cords
WITHDRAWN published on 31.3.1989
Selected format:Copper and aluminium conductor extruded XLPE insulated power cables with rated voltage 110kV
WITHDRAWN published on 31.3.1989
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110kV—Part 1:Test methods and requirements
WITHDRAWN published on 8.10.2002
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110 kVUm=126 kVPart 1: Test methods and requirements
WITHDRAWN published on 24.7.2014
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110kV—Part 2:Power cables with cross-linked polyethylene insulation for rated voltage of 110kV
WITHDRAWN published on 8.10.2002
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110 kVUm=126 kV—Part 2: Power cables
WITHDRAWN published on 24.7.2014
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110kV—Part 3:Accessories for power cables with cross-linked polyethylene insulation for rated voltage of 110kV
WITHDRAWN published on 8.10.2002
Selected format:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110 kVUm=126 kVPart 3: Accessories
WITHDRAWN published on 24.7.2014
Selected format:Copper winding wires with silk covering--General
WITHDRAWN published on 31.3.1989
Selected format:Copper winding wires with silk covering--Singlewire with silk covering
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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