| 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} |
| 777 | ![]() | .~.~.~.~ By specific pattern on board {2} |
| 778 | DF | .~.~.~.~.~> Cross-connected |
| 779 | DF | .~.~.~.~.~> With specific connection material |