Material treating device
United States Patent 2050423

Inventors:
Dauber, Charles G.
Publication Date:
08/11/1936
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Assignee:
Dauber, Charles G.
Primary Class:
241/52
Other Classes:
209/139.200, 241/185.500, 222/409, 241/600, 222/310, 222/275
International Classes:
B02C13/13; B02C13/00