73600922
May 27, 1986
Jul 21, 1987
ELECTROMAGNETIC AND MECHANICAL FRICTION BRAKES AND CLUTCHES NOT FOR LAND VEHICLES, MECHANICAL POWER TRANSMISSION DEVICES, NAMELY, BALL SCREWS
MachineryELECTRONIC AND ELECTRICAL CONTROL UNITS FOR USE IN CONJUNCTION WITH ELECTROMAGNETIC FRICTION BRAKES AND CLUTCHES
Electrical and Scientific Apparatus