SEE OR SEARCH CLASS: 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, subclasses 194+ for contact pressure maintaining or adjusting means for electromagnetically operated switches.
(SEE OR SEARCH CLASS; subclasses; 194+; for contact pressure maintaining or adjusting means for electromagnetically operated switches)
SEE OR SEARCH CLASS
subclasses
194+ for contact pressure maintaining or adjusting means for electromagnetically operated switches