Mixing apparatus
United States Patent 1612281

Inventors:
Goetz, Joseph F.
Publication Date:
12/28/1926
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Assignee:
Columbia, Metal Products Compan
Primary Class:
366/244
Other Classes:
416/98
International Classes:
A47J43/10; B01F7/16; B01F7/30; B01F7/00; A47J43/00