procurement of s.e. copper winding wires:-30 swg size super enamelled round copper winding wire with fine medium covering of flexible synthetic enamel class 155 degree celcius conforming to is-13730 part-3-1996 . , winding wire 17 1 / 2 ( 17 . 5 swg . ) , 16 swg size super enamelled round copper winding wire with fine medium covering of flexible synthetic enamel class 155 degree celcius conforming to is-13730 part-3-1996 . , supper enamelled round copper winding wire with fine medi- um covering of flexible synthe tic enamel confirming to is-no 4800 part 1to7-1970 18 s w g . , supper enamelled round copper winding wire with fine medi- um covering of flexible synthe tic enamel confirming to is-no 4800 part 1to7-1970 17 s w g , , supper enamelled round copper winding wire with fine medi- um covering of flexible synthe tic enamel confirming to is-no 4800 part 1to7-1970 32 s w g . , 31 swg size super enamelled round copper winding wire with fine medium covering of flexible synthetic enamel class 155 degree celcius conforming to is-13730 part-3-1996 . , 35 swg size super enamelled round copper winding wire with fine medium covering of flexible synthetic enamel class 155 degree celcius conforming to is-13730 part-3-1996 . , 18 . 5 swg size supermake-shreyans , devidayal , precision , essell only enamelled round copper winding wire with fine medium covering of flexible synthetic enamel class 155 degree celcius conforming to is-13730 part-3-1996 .