9 Key Telephone Systems Comprised of Some or All of the Following Components; Telephone Station Sets, Key Service Units, Power Supplies, Direct Station Selection Consoles, Intercom and Door Answering Boxes, Electric Door Chime Boxes, Applique Boxes for Interfacing Single-Line Telephone Station Sets to a Key Telephone System, Speakerphones, Amplifiers, Paging Loudspeakers, Flash Switch Assembly Units, Wall Mounts for Telephone Station Sets, and Parts Therefor
Trademark: 73449310
