73159703
Feb 23, 1978
May 20, 1980
ELECTROTECHNICAL AND ELECTRONIC EQUIPMENT [AND PARTS THEREFOR-NAMELY] TRIMMING RHEOSTATS, ROTARY ADJUSTABLE SINGLE AND MULTIPLE RESISTORS; KNOB ACTUATED ROTARY RESISTORS, SPINDLE TYPE RESISTORS AND ATTENUATORS; SWITCHES
Electrical and Scientific Apparatus