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Automatic control and energy savings in Lead and Zinc flotation process - Mitsui Mining & Smelting Co.Ltd.] - 15 p. - Metal mining technology in Japan ; 04 .

a photocopy


LEAD ORE TREATMENT-FLOTATION-CONTROL
ZINC ORE TREATMENT-FLOTATION-CONTROL
FLOTATION-LEAD ORE TREATMENT-CONTROL
FLOTATION-ZINC ORE TREATMENT-CONTROL

622.3 / A9

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