74231065
Dec 16, 1991
Jul 9, 1996
calculators; computer peripherals, namely computer terminals programmable logic controllers; computer numerical controllers; industrial communication networks comprising bus, interfaces for communication between said bus, programmable logic controllers, computer numerical controllers, computer terminals, main frame, work stations comprising computers, microcomputers, and minicomputers and variable speed drivers; computer software in the field of automation; tapes and discs containing such computer software or computer integrated manufacturing
Electrical and Scientific Apparatus