73383077
Sep 1, 1982
Jun 18, 1985
[ COMPUTERS; COMPUTER TERMINALS; ] PRERECORDED COMPUTER PROGRAMS; [ COMPUTER OPERATING UNITS; ELECTRONIC DISTRIBUTIVE UNITS FOR INFORMATION PROCESSING; ELECTRONIC TELECOMMUNICATION UNITS; CALCULATING MACHINES; ] AND PARTS THEREOF
Electrical and Scientific Apparatus[ DATA TRANSMISSION SERVICES AND DATA TRANSMISSION THROUGH TELECOMMUNICATION NETWORKS ]
Telecommunications