| 322 / | HD | ELECTRICITY: SINGLE GENERATOR SYSTEMS |
| 17 | DF | AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS {13} |
| 22 | DF | .~ Plural conditions {1} |
| 23 | DF | .~.~ Including an electrical condition {1} |
| 24 | DF | .~.~.~ Plural electrical conditions {1} |
| 25 | ![]() | .~.~.~.~ Voltage and current |