| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 500 | DF | ELECTROLYTIC SYSTEMS OR DEVICES {7} |
| 503 | DF | .~ Liquid electrolytic capacitor {5} |
| 504 | ![]() | .~.~ With significant electrolyte {3} |
| 505 | DF | .~.~.~> Salt solute |
| 506 | DF | .~.~.~> Ethylene glycol |
| 507 | DF | .~.~.~> With depolarizer |