| 363 / | HD | ELECTRIC POWER CONVERSION SYSTEMS |
| 13 | DF | CURRENT CONVERSION {25} |
| 74 | DF | .~ With condition responsive means to control the output voltage or current {3} |
| 76 | DF | .~.~ Including integral sensing and control means for rectifier {1} |
| 77 | ![]() | .~.~.~ With semiconductor conversion means |