73023913
Jun 11, 1974
Jul 6, 1976
MOTOR GENERATOR SETS, PASSENGER AND FREIGHT ELEVATORS AND LIFTS, AND PARTS AND COMPONENTS THEREOF
MachineryELEVATOR PARTS AND COMPONENTS-NAMELY, CONTROL PANELS, POWER UNITS, ELECTRIC CONTROL VALVES, LIMIT SWITCHES, SIGNAL CONTROLS AND SPEED CONTROLS
Electrical and Scientific Apparatus