ELECTRONIC CONTROL SYSTEM FOR MUSICAL INSTRUMENT
United States Patent 3544693

Inventors:
Tripp, Robert W.
Publication Date:
12/01/1970
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Assignee:
Robert, Tripp W.
Primary Class:
84/715
Other Classes:
84/669, 84/649, 984/348, 84/DIG.022
International Classes:
G10H1/38; G10H1/00




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