Title:
Reclaiming used lubricating oils
United States Patent 1988773

Inventors:
Baender, Frederick G.
Publication Date:
01/22/1935
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Assignee:
Baender, Frederick G.
Primary Class:
208/185
Other Classes:
208/363, 208/187, 208/183
International Classes:
C10G33/06; C10M175/00; C10G33/00