All Patents in class 165/287


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All Patents in class 165/287
Patents 1 - 1 of 1
Number	Title	Classification(s)
1,382,995	Process and Apparatus for the Utilization of Heat in Oil Engines	123/196A, 123/3, 123/557, 165/287, 196/104, 196/119, 196/120, 196/134