73409440
Jan 14, 1983
Sep 11, 1984
Information Communication and Processing Units; Modems; Line Drivers, Time Division Multiplexers, Statistical Multiplexers, Distributed Communications Processors, Voice Digitizers, Network Processor Units, Network Control and Management Units, Network Switching Units, Digital Encryption and Security Units, and Information Processing Work Station Units, and Pre-Recorded Computer Programs for Use with Information Communication and Processing Units
Electrical and Scientific Apparatus