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Title:
Fan-supporting device
United States Patent 1332875
Inventors:
Mark, Ainsworth
Publication Date:
03/09/1920
View Patent Images:
Download PDF 1332875
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Assignee:
Mark, Ainsworth
Primary Class:
416/110
Other Classes:
15/312.100
International Classes:
F04D25/10
;
F04D25/02