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Oil ejector
United States Patent 2168493
Inventors:
Plews, Ralph G.
Publication Date:
08/08/1939
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Download PDF 2168493
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Assignee:
Plews, Ralph G.
Primary Class:
222/309
Other Classes:
222/385, 222/381, 222/324
International Classes:
F16N3/08
;
F16N3/00