Process of and apparatus for refining petroleum
United States Patent 1620163

Inventors:
Milliff, Frank A.
Milliff, John A.
Publication Date:
03/08/1927
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Assignee:
Milliff, Frank A.
Milliff, John A.
Primary Class:
208/352
Other Classes:
196/115, 196/136, 196/134, 196/141, 208/357, 196/139, 196/114
International Classes:
C10G7/00