共 28 条
- [21] DESCRIPTION OF CONCENTRATING OPERATIONS, ROAN ANTELOPE COPPER MINES LIMITED, NORTHERN RHODESIA TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1949, 183 : 79 - 94
- [22] OPEN-PIT OPERATIONS IN PERMAFROST, GIANT-YELLOWKNIFE-MINES-LIMITED CIM BULLETIN, 1977, 70 (779): : 101 - 101
- [23] MECHANICAL MAINTENANCE IN TRACKLESS SUB-LEVEL CAVING AT CRAIGMONT-MINES-LIMITED CANADIAN MINING AND METALLURGICAL BULLETIN, 1970, 63 (694): : 155 - &
- [26] MAINTENANCE OF ELECTRIC-WHEEL TRUCKS AND OPEN-PIT SHOVELS AT GASPE COPPER MINES LIMITED CANADIAN MINING AND METALLURGICAL BULLETIN, 1969, 62 (683): : 205 - &
- [28] OPERATIONS OF THE VACUUM INDUCTION REFINING (VIR) PLANT AT CHAMBISHI MINE OF ZAMBIA-CONSOLIDATED-COPPER-MINES-LIMITED (ZCCM) TO PRODUCE VACUUM REFINED COBALT JOURNAL OF METALS, 1987, 39 (10): : A80 - A80