INFORMATION ON DEMAND
digital central office switching machines, packet switching machines, fiber-optic transmission machines, digital transmission machines, cable television systems, teleconferencing apparatus, laser communications apparatus, television and radio broadcast apparatus, mobile and portable radios, facsimile machines, key telephones, computer aided design/computer aided manufacturing and computer aided engineering apparatus, automated fingerprint identification apparatus, medical electronic apparatus...
Abandoned · June 1, 1994 · 74531941 ·