839 12 | ACCESSORIES, TELEPHONE (NOT OTHERWISE CLASSIFIED) |
839 31 | CALL ANSWERING TELEPHONE SYSTEM, HIGH VOLUME |
839 32 | CALL ANSWERING TELEPHONE SYSTEMS, LOW VOLUME |
839 35 | CELLULAR TELEPHONES, ALL TYPES |
839 40 | DIGITAL SUBSCRIBER LOOP (DSL) EQUIPMENT |
839 51 | MICROWAVE EQUIPMENT (SEE CLASS 045 FOR HOUSEHOLD OVENS) |
839 54 | NURSE CALL SYSTEMS |
839 57 | PAY TELEPHONES |
839 60 | POLES, HIGH VOLTAGE TRANSMISSION |
839 61 | POLES, TELEPHONE AND UTILITY, ALL KINDS |
839 63 | RADIO TELEPHONES, VEHICLE, MARINE, ETC. |
839 67 | RECYCLED TELEPHONE EQUIPMENT AND ACCESSORIES |
839 74 | SATELLITE TELEPHONES |
839 77 | SWITCHBOARDS, TELEPHONE |
839 80 | TELECOMMUNICATORS AND/OR DISPLAY TERMINALS FOR THE HEARING AND HANDICAPPED |
839 83 | TELEPHONE CARDS |
839 84 | TELEPHONE DIALING AND ANSWERING APPARATUS |
839 85 | TELEPHONE EQUIPMENT PARTS AND ACCESSORIES (NOT OTHERWISE CLASSIFIED) |
839 86 | TELEPHONES, CORRECTIONAL FACILITIES |
839 87 | TELEPHONE SYSTEMS, 2-60 STATIONS |
839 88 | TELEPHONE SYSTEM, OVER 60 STATIONS |
839 92 | VIDEOPHONE DEVICES, EQUIPMENT AND ACCESSORIES |