| 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} |
| 784 | DF | .~.~.~ Plural {5} |
| 796 | | .~.~.~.~ With housing or chassis {6} |
| 797 | DF | .~.~.~.~.~> Storage or file cabinet |
| 798 | DF | .~.~.~.~.~> With ejector or extractor |
| 799 | DF | .~.~.~.~.~> Grounding Construction or Detail |
| 800 | DF | .~.~.~.~.~> With Shielding Structure |
| 801 | DF | .~.~.~.~.~> Specific latching or retaining device |
| 802 | DF | .~.~.~.~.~> Specific alignment or guide means |