73768532
Dec 8, 1988
Jul 3, 1990
SOUND GENERATORS, SENSORS, AMPLIFIERS, RECORDERS, ACOUSTIC PICKUPS AND POWER SUPPLIES FOR VOICE TRAINING AND SOUND VOCALIZATION AND VISUALIZATION
Electrical and Scientific ApparatusEDUCATIONAL SERVICES, NAMELY, OFFERING COURSES OF INSTRUCTION AND TRAINING IN THE FIELD OF SPEECH
Education and Entertainment