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IEC 60264-4-1 Ed. 2.1 b:2009
Packaging of winding wires - Part 4-1: Methods of test - Delivery spools made from thermoplastic materials
IEC 60264-4-1:1997+A1:2009 defines methods of test for delivery spools for winding wires made from thermoplastic materials in order to determine conformity with the established performance requirements for their properties.
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International Electrotechnical Commission [iec]