| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 600 | DF | HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11} |
| 679 | DF | .~ For electronic systems and devices {15} |
| 748 | DF | .~.~ Printed circuit board {4} |
| 760 | DF | .~.~.~ Connection of components to board {9} |
| 772 | DF | .~.~.~.~ With specific lead configuration {4} |
| 773 | | .~.~.~.~.~ Shaped lead on components |