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} |
728 | .~.~ Module {4} | |
729 | DF | .~.~.~> Plural {3} |
736 | DF | .~.~.~> With printed circuit boards {8} |
746 | DF | .~.~.~> With specific dielectric material or layer |
747 | DF | .~.~.~> With locking means or device |