Specifications for particular types of winding wires - Part 57: Polyamide-imide enamelled round copper wire, class 220 (IEC 60317-57:2010); German version EN 60317-57:2010— 10 стр.
Specifications for particular types of winding wires; part 0: general requirements; section 1: enamelled round copper wire (IEC 60317-0-1:1990 + A1:1992); German version HD 555.0.1 S2:1993