IMU

ELECTRIC SOUND AMPLIFIER; APPARATUS FOR TRANSMITTING SOUND; MUSICAL JUKE BOXES; COMPUTER PERIPHERALS; DATA PROCESSING COUPLER EQUIPMENT, NAMELY, ACOUSTIC COUPLER; BLANK MAGNETIC DATA MEDIA CARRIERS; MAGNETIC ENCODERS; MAGNETIC TAPE UNITS FOR COMPUTERS; BLANK MAGNETIC COMPUTER TAPES; MAGNETIC ELECTRIC WIRES; ELECTROMAGNETIC COILS; MAGNETIC CORES; RESISTANCE WIRES; ELECTRODES; MAGNETS