Gating circuit
United States Patent 3231660
US Patent References:
Electrical musical instrument
- - 2811069


Inventors:
Munch Jr., Walter
Publication Date:
01/25/1966
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Assignee:
BALDWIN CO D H
Primary Class:
84/677
Other Classes:
327/261, 327/584, 327/407, 84/699, 84/721
International Classes:
G10H1/00