73443091
Sep 9, 1983
Apr 30, 1985
Electronic Air Traffic Control Communication Units and Electronic Flight Information Display Units; Electronic Air Defense Communication Units, Electronic Train Traffic Control and Communicator Units, Commercial Electronic Voice Transmission Units, Rural Radio/Telephone Apparatus, Simultaneous Voice and Data Transmission Units and Parts Thereof for the Above Units and Electronic Apparatus, Instruction Manuals Sold as a Unit, Amplifiers, Electronic Bridges, Speakers and Parts Thereof
Electrical and Scientific Apparatus