U.S. federal trademark · Serial No. 72265662 · Reg. No. 27354
MAGNETIC TAPE RECORDERS
RADIOS, AMPLIFIERS, TELEVISION SETS, LOUDSPEAKERS, MICROPHONES AND ELECTRICAL SUPERVISION APPARATUS FOR USE IN TEACHING
LANGUAGE LABORATORY TEACHING UNIT COMPRISING A CONTROL PANEL, MICROPHONE, INTERCOM, RECORDER WITH HEADSET AND PLAYBACK
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