Title:
Froth flotation
United States Patent 1952727
Inventors:
Ralston, Oliver C.
Application Number:
US40263529A
Publication Date:
03/27/1934
Filing Date:
10/26/1929
Assignee:
UNITED VERDE COPPER COMPANY
Primary Class:
Other Classes:
209/167, 209/170
International Classes:
B03D1/14
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