335 / | HD | ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS |
2 | DF | ELECTROMAGNETICALLY ACTUATED SWITCHES {30} |
68 | DF | .~ With motor {4} |
71 | DF | .~.~ Contact actuating structure {4} |
74 | DF | .~.~.~ Including brake, clutch or detent {1} |
75 | .~.~.~.~ Magnetically actuated |