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} |
767 | DF | .~.~.~.~ With mounting pad {4} |
770 | .~.~.~.~.~ Having spacer |