| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 500 | DF | ELECTROLYTIC SYSTEMS OR DEVICES {7} |
| 523 | DF | .~ Solid electrolytic capacitor (e.g., dry electrolytic capacitor) {8} |
| 528 | ![]() | .~.~ Anode type electrode {2} |
| 529 | DF | .~.~.~> Aluminum or tantalum |
| 530 | DF | .~.~.~> Wound {1} |