DIN 43167-3
DIN 43167-3
Rod-type insulator for overhead contact lines for operating voltages up to 1000 V a.c. and 1500 V d.c; insulatorstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1987
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1987