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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
Glass-fiber wound winding wires - Part 22: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 155
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 23: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 180
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 24: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 200
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 3: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 155
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 4: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 5: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200
Standard published on 30.6.2008
Selected format:Glass-fiber wound winding wires - Part 6: Glass-fiber and film wound rectangular copper wire
Standard published on 30.6.2008
Selected format:Paper covered wires - Part 1: General requirements
Standard published on 24.3.2008
Selected format:Paper covered wires - Part 2: Paper covered round wire
Standard published on 24.3.2008
Selected format:Paper covered wires - Part 3: Paper covered rectangular copper wire
Standard published on 24.3.2008
Selected format:Latest update: 2026-05-15 (Number of items: 2 278 685)
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