Lubricant
United States Patent 2160880

Inventors:
Loane, Clarence M.
Shoemaker, Bernard H.
Publication Date:
06/06/1939
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Assignee:
STANDARD OIL CO
Primary Class:
508/363
Other Classes:
252/392, 558/241, 252/400.510, 558/235, 252/403, 558/234, 562/433, 252/402, 562/555, 252/391, 508/445, 252/389.520