Classification Information
RAIDOS, CASSETTE DECKS, CASSETTE MECHANISM, TUNERS, CHANNEL TRANSCEIVERS, AMPLIFIERS, INTERCOMMUNICATION SYSTEMS, COMPUTER TELEPHONES, TELEPHONE ANSWERING MACHINES, AUTOMATIC TELEPHONE DIALERS, TELEPHONE AMPLIFIERS, TELEPHONE EXCHANGE SYSTEMS, BURGLAR ALARM SYSTEMS, PRINTED CIRCUIT BOARDS, ELECTRONIC CASH REGISTERS
Electrical and Scientific Apparatus