73521338
Feb 8, 1985
NON-RESIDENTIAL TELEPHONE EQUIPMENT - NAMELY, KEY TELEPHONE SETS, KEY SERVICE UNITS, POWER SUPPLIES, INTERCOM AND DOOR ANSWERING BOXES, DIRECT STATION SELECTION CONSOLES, SPEAKERPHONES, AND PARTS THEREOF; AND KEY TELEPHONE SYSTEMS COMPRISING OF SOME OR ALL OF THE FOREGOING ITEMS OF NON-RESIDENTIAL TELEPHONE EQUIPMENT
Electrical and Scientific Apparatus