71613733
May 10, 1951
Mar 9, 1954
POWER UNITS-NAMELY, POWER UNITS FOR ELEVATOR EQUIPMENT, FOR AUTOMOTIVE USE AND FOR PASSENGER AND MATERIAL ELEVATORS, SAID POWER UNITS BEING A UNITARY APPARATUS COMPRISING AN ELECTRIC MOTOR, GEAR TYPE PUMP, CONTROL VALVE, OIL RESERVOIR TANK, ELECTRIC CONTROLLER, AND THE NECESSARY SUPPORTING BASE AND LEGS
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