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Title:
Method of and apparatus for recovering metals
United States Patent 1991763
Inventors:
Locke, Frank W.
Application Number:
US69170533A
Publication Date:
02/19/1935
Filing Date:
09/30/1933
Assignee:
COAST MINING COMPANY
Primary Class:
Other Classes:
204/237, 204/275.1
International Classes:
C22B11/08
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