73238368
Nov 8, 1979
Sep 14, 1982
Crushing and Pulverizing Machines and Parts Therefor-Namely, Screening Units, Elevators, Pneumatic Conveyors, Movable Conveyor Bands Used to Receive Lump Materials, and Separators
MachineryWeighing and Measuring Equipment for Ground Materials-Namely, Weighing Amplifiers which Amplify Weighing Signals Received from Conveyor Weighing Bands, Pneumatic Feelers and Amplifiers Therefor, Heat Sensitive Feelers and Amplifiers Therefor and Electric Alarm Feelers and Amplifiers Therefor
Electrical and Scientific Apparatus