74289917
Jun 30, 1992
Dec 7, 1993
computer networks for automation; namely, bus, automation devices communicating with said bus; namely, programmable controllers, numerical control of machines, robots, sensors, actuators, computers, interfaces, variable speed drives, terminals; interfaces or modules for communication between a bus of an automation network and automation devices; namely, programmable controllers, numerical controllers for machines, terminals, variable speed drives, computer software regarding industrial automation
Electrical and Scientific Apparatus