DIN 49339
DIN 49339 D-type fuse-bases D III 63 A up to 660 V, for back connection, with flange, for gauge rings
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1985
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1985