Description: 984 musical instruments / 984 musical instruments/(50) pianos {nonmusical aspects of toy pianos a63h 5/00; aspects of automatic actuation subclasses 200+; combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+} {g10c} (55) details of, accesories for, pianos or the like {g10c 3/00} (68) pedals or pedal mechanisms for half-blow or similar sound modifying {g10c 3/26}
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