PH11153A
(en )
1977-10-27
Recovery of copper from ore concentrate
ZA739078B
(en )
1975-03-26
Leaching of copper ores
ZA71371B
(en )
1972-06-28
Recovery of thio2 from ores thereof
ZA733631B
(en )
1974-05-29
Separation of copper from cobalt
ZA733394B
(en )
1974-04-24
Hydrometallurgical recovery of metal values
ZA718551B
(en )
1972-09-27
Recovery of copper from copper-iron sulfide ores
ZA73445B
(en )
1973-10-31
Recovery of copper from copper sulfide containing concentrates
ZM2673A1
(en )
1974-01-21
Extraction of copper from metallic materials
ZA743627B
(en )
1975-05-28
Static leaching copper ore
IL41673A0
(en )
1973-05-31
Recovery of copper from sulfidic copper materials
ZA728222B
(en )
1974-06-26
Extraction of copper from sulphide ores
ZM11573A1
(en )
1975-03-21
Copper extraction
ZM14174A1
(en )
1975-06-23
Extracting copper from sulphide concentrates
ZM2073A1
(en )
1973-10-22
Pyrometallurgical extraction of metals
CA893064A
(en )
1972-02-15
Recovery of copper from copper ores
IL33869A0
(en )
1970-04-20
Process for the extraction of copper from ores
AU5374173A
(en )
1974-09-26
Flotation of copper ores
AU480817B2
(en )
1975-05-29
Leaching of copper ores
AU6982174A
(en )
1975-12-11
Leaching copper ore
ZA734408B
(en )
1975-02-26
Hydrometallurgical process to recover copper from sulphide ore concentrates
ZA728839B
(en )
1973-09-26
The extraction of nickel from its ores
ZM2573A1
(en )
1974-06-21
Oxidation leaching of sulfide ores
ZM573A1
(en )
1974-09-23
Process for the electrolytic recovery of copper from its sulfide ores
ZM5773A1
(en )
1973-11-21
Flotation of copper ores
ZA731995B
(en )
1974-04-24
Flotation of copper ores