ZW3481A1
(en )
1981-05-20
The leaching of sulphidic mattes containing non-ferrous metals and iron
AU542195B2
(en )
1985-02-14
The extraction of precious metals from concentrates
ZA783825B
(en )
1979-07-25
The hydrometallurgical leaching and refining of nickel-copper concentrates
IL62252A0
(en )
1981-05-20
Sintered hardmetals and their manufacture
ZA816716B
(en )
1982-09-29
Ore flotation agents and preparation
GB2097369B
(en )
1984-12-19
Microbial leaching of sulphide-containing ores
ZA81571B
(en )
1982-03-31
Process for the recovery of copper and zinc values from sulphidic ore
ZW18883A1
(en )
1983-11-23
Leaching refractory gold ores
GB2070213B
(en )
1983-10-19
Smelting metals
OA08339A
(en )
1988-02-29
Production of zinc from ores and concentrates.
ZA822065B
(en )
1983-05-25
Microbial leaching of sulphide-containing ores
YU86077A
(en )
1982-06-30
Refining ferrite and alkali metal sulfidic ores and concentrates
GB2087436B
(en )
1985-06-19
Sintered ferrous alloys
ZA81701B
(en )
1981-10-28
The leaching of sulphidic mattes containing non-ferrous meals and iron
AU539767B2
(en )
1984-10-18
Leaching metal ores
EP0026207A4
(en )
1981-08-28
Production of lead from ores and concentrates.
PH20690A
(en )
1987-03-24
Process for the exploitation of low-grade oxidic and iron-bearing complex ores or concentrates
ZM1681A1
(en )
1982-03-22
The leaching of sulphidic mattes containing non-ferrous metals and iron
AU529096B2
(en )
1983-05-26
Roasting of sulphide ores and concentrates
ZA813034B
(en )
1982-05-26
Improvements in recovering vanadium from iron ores
GB2109355B
(en )
1984-12-19
Roasting of mixed sulphide ores or concentrates
YU43480A
(en )
1983-01-21
Improvement in the hydrometallurgical obtaining of metals
ZM2980A1
(en )
1981-09-21
Improvements in the hydrometallurgical recovery of metal values
PH14525A
(en )
1981-08-26
Improvements in the hydrometallurgical recovery of metal values
DE3175830D1
(en )
1987-02-19
Recovery of silver from ores and concentrates