PROCESS FOR ALTERING ORES AND/OR CONCENTRATES CONTAINING LEAD SULPHIDE AND LEAD ZINC SULPHIDE
SABITOVA G A, SYCHEN A P, KESLER M Y, TEREKHN V V, ABDEEV J M, SANNIKOV J I, SEMASHKO E P, LISIN F N, IVANOV V A, LYAMINA M A, POLYAKOV I P, GRININ J A, KUUR V P
Year of Publication 30.06.1990
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Year of Publication 30.06.1990
Patent