| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 500 | ![]() | ELECTROLYTIC SYSTEMS OR DEVICES {7} |
| 501 | DF | .~> Coulometer (i.e., electrochemical timer) |
| 502 | DF | .~> Double layer electrolytic capacitor |
| 503 | DF | .~> Liquid electrolytic capacitor {5} |
| 523 | DF | .~> Solid electrolytic capacitor (e.g., dry electrolytic capacitor) {8} |
| 434 | DF | .~> Systems (e.g., plural cells, standby exciting voltage) |
| 435 | DF | .~> Current interruption type (e.g., circuit breaker, D.C.-to-pulse converters) |
| 436 | DF | .~> Rectifiers |