Title:
Headpiece for metallic piccolos
United States Patent 1376004
Inventors:
Nils, Christensen
Application Number:
US30555319A
Publication Date:
04/26/1921
Filing Date:
06/20/1919
Assignee:
Nils, Christensen
Primary Class:
Other Classes:
984/129
International Classes:
G10D7/02
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