73762045
Nov 7, 1988
Oct 3, 1989
ELECTRONIC COMPUTERS; COMPUTER PROGRAMS FOR USE IN THE TELECOMMUNICATIONS INDUSTRY RECORDED ON TAPES, CARDS AND DISKS; COMPUTER PERIPHERAL EQUIPMENT COMPRISING DISK STORAGE UNITS, PRINTERS AND OPERATOR CONSOLES; AND APPARATUS FOR COMMUNICATIONS TRANSMISSION AND SWITCHING - NAMELY, CONCENTRATORS, MULTIPLEXERS, SWITCHES AND MODEMS
Electrical and Scientific Apparatus