73804423
Jun 5, 1989
May 1, 1990
CONTROLS FOR CONVEYORS; COMPUTERS; COMPUTER PERIPHERALS; COMPUTER OPERATING PROGRAMS; COMPUTER UTILITY PROGRAMS; COMPUTER PROGRAMS FOR USE IN MONITORING, CONTROL AND OPERATION OF CONVEYORS, AND MATERIAL HANDLING EQUIPMENT AND COMPONENTS; ELECTRICAL SWITCHES; ELECTRICAL CONDUITS; AND INSTRUCTION MANUALS SOLD THEREWITH
Electrical and Scientific Apparatus