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Title:
Dual purpose pumping apparatus
United States Patent 1883634
Inventors:
Easton, Lucian F.
Application Number:
US42668530A
Publication Date:
10/18/1932
Filing Date:
02/07/1930
Assignee:
Easton, Lucian F.
Primary Class:
Other Classes:
415/152.1, 415/202, 415/203, 417/85
International Classes:
F04C19/00
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