PROCESS FOR OBTAINING INDIUM AND TIN FROM RAW LEAD
United States Patent 3462352
Inventors:
Segarceanu, Tudor
Cornea, Andrei
Mercea, Viorica
Publication Date:
08/19/1969
Assignee:
Tudor, Segarceanu
Andrei, Cornea
Viorica, Mercea
International Classes:
C22B3/38; C22B3/00; C22D1/20