TY  - GEN
TI  - Automatic control and energy savings in Lead and Zinc flotation process
PB  - Mitsui Mining & Smelting Co.Ltd.]
KW  - LEAD ORE TREATMENT-FLOTATION-CONTROL
KW  - ZINC ORE TREATMENT-FLOTATION-CONTROL
KW  - FLOTATION-LEAD ORE TREATMENT-CONTROL
KW  - FLOTATION-ZINC ORE TREATMENT-CONTROL
N1  - a photocopy
ER  -