000 | 005790000a22001810004500 | ||
---|---|---|---|
245 | _aAutomatic control and energy savings in Lead and Zinc flotation process | ||
260 | _bMitsui Mining & Smelting Co.Ltd.] | ||
300 | _a15 p. | ||
440 | _aMetal mining technology in Japan ; 04 | ||
500 | _aa photocopy | ||
080 |
_a622.3 _bA9 |
||
650 | _aLEAD ORE TREATMENT-FLOTATION-CONTROL | ||
650 | _aZINC ORE TREATMENT-FLOTATION-CONTROL | ||
650 | _aFLOTATION-LEAD ORE TREATMENT-CONTROL | ||
650 | _aFLOTATION-ZINC ORE TREATMENT-CONTROL | ||
041 | _aEN | ||
942 | _cBK | ||
999 |
_c62016 _d62016 |