Title:
Air delivery device
United States Patent 2253406
Inventors:
Wagner, George B.
Publication Date:
08/19/1941
Export Citation:
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Assignee:
Albert, Rockwood W.
Primary Class:
416/39
Other Classes:
415/141, 416/186A, 416/186R
International Classes:
F04D29/28; F04D29/28
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