73679480
Aug 20, 1987
Jan 17, 1989
ELECTRICAL AND ELECTRONIC APPARATUS AND COMPUTER PROGRAMS FOR PROCESSING, RECORDING, CONTROLLING, SWITCHING, COMMUNICATING, ROUTING AND STORING OF DATA, TEXT, GRAPHICS AND IMAGES; ELECTRICAL AND ELECTRONIC APPARATUS FOR CONNECTING, SWITCHING AND ROUTING OF SIGNALS TO AND FROM PERSONAL COMPUTERS, WORKSTATIONS, MODEMS, MAINFRAME COMPUTERS AND MINI COMPUTERS
Electrical and Scientific Apparatus