75637241
Feb 9, 1999
Aug 29, 2000
TELECOMMUNICATIONS SERVICES, NAMELY, THE ELECTRONIC TRANSMISSION OF VOICE, DATA AND FACSIMILE TELECOMMUNICATION
TelecommunicationsDESIGN OF TELECOMMUNICATION SYSTEMS, NAMELY, CELLULAR TELEPHONE SYSTEMS AND VOICE, DATA, FACSIMILE AND VIDEO COMMUNICATIONS SYSTEMS FOR OTHERS, TECHNICAL MANAGEMENT OF TELECOMMUNICATION NETWORKS
Computer and Scientific