Title:
Recovery of metal values from complex ores
United States Patent 2927017
Inventors:
Marvin, Orrin F.
Publication Date:
03/01/1960
Assignee:
Marvin, Orrin F.
Other Classes:
75/423, 75/424, 75/431, 423/95
International Classes:
C22B3/08; C22B3/00