73654121
Apr 9, 1987
Jul 5, 1988
MACHINE CONTROL UNITS; SPEED DETECTING PROCESSING, CHECKING AND SETTING UNITS FOR USE WITH MOTORS AND MACHINES; ELECTRIC SWITCHES AND CODING UNITS; SPEED AND POSITION DETECTING TRANSDUCERS AND ENCODERS; LIMIT SWITCHES; ELECTRICAL PROGRAM UNITS FOR ANY MECHANICAL, HYDRAULIC, PNEUMATIC ELECTRICAL AND ELECTRONIC DEVICE
Electrical and Scientific Apparatus