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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
Enamelled round winding wires—Part 1:General
WITHDRAWN published on 7.11.1990
Selected format:Enamelled round winding wire - Part 1:General requirements
WITHDRAWN published on 23.4.2008
Selected format:Enamelled round winding wires—Part 10:Polyester(imide) enamelled round copper wires overcoated with polyamide, class 180
WITHDRAWN published on 7.11.1990
Selected format:Enamelled round winding wires Part 11:Polyester(imide) enamelled round copper wires overcoated with polyamide-imide, class 200
WITHDRAWN published on 7.11.1990
Selected format:Enamelled round winding wire - Part 11: Solderable polyurethane enamelled round copper wire overcoated with polyamide,class 155
WITHDRAWN published on 23.4.2008
Selected format:Enamelled round winding wire - Part 17: Solderable polyesterimide enamelled round copper wire,class 180,with a bonding layer
WITHDRAWN published on 23.4.2008
Selected format:Enamelled round winding wires—Part 2:Modified polyester enamelled round copper wires, class 155
WITHDRAWN published on 7.11.1990
Selected format:Enamelled round winding wire - Part 22: Aromatic polyimide enamelled round copper wire,class 240
WITHDRAWN published on 23.4.2008
Selected format:Enamelled round winding wire - Part 23: Solderable polyurethane enamelled round copper wire,class 180
WITHDRAWN published on 23.4.2008
Selected format:Enamelled round winding wires—Part 3:Polyvinyl-formal enamelled round copper wires with high mechanical properties
WITHDRAWN published on 17.6.1985
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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