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Tubular aerial adveritising device
United States Patent 1893149
Inventors:
John, Picco
Publication Date:
01/03/1933
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Download PDF 1893149
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Assignee:
John, Picco
Primary Class:
40/215
Other Classes:
273/360, 244/3
International Classes:
G09F21/14
;
G09F21/00