TRIGUIDE

TELEPHONE SET, FACSIMILE TRANSMISSION APPARATUS, CARRIER FREQUENCY REPEATER, COVERED WIRE, FIXED MULTI-CHANNEL COMMUNICATION APPARATUS, FREQUENCY CHANGER, ELECTRONIC DUPLICATOR, TRANSISTOR, RADIO RECEIVING SET, ELECTRONIC COMPUTER, TRANSFORMER, INFRARED LAMP, DRY CELL, OSCILLOGRAPH, T.V. GAME SET, TELEVISION TRANSMITTING SET, VEHICULAR COMMUNICATION APPARATUS, REMOTE CONTROL AND TELEMETERING APPARATUS, SOUND RECORDING APPARATUS, PHOTO TUBE, DIODE, INSULATING PAPER, TELEGRAPH SWITCHING APPARATUS, AND RADAR APPARATUS