Turbine pump
United States Patent 1894393

Inventors:
Bigelow, George E.
Publication Date:
01/17/1933
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Assignee:
Bigelow, George E.
Primary Class:
417/91
Other Classes:
415/901, 417/423.300, 417/409
International Classes:
E21B43/12; F04D13/04; F04D13/02