DE3174885D1
(en )
1986-07-31
Process for the extraction of metal values and novel metal extractants
DE3164884D1
(en )
1984-08-23
Process for the extraction of precious metals from concentrates thereof
PT75891B
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1985-10-04
Process for metal sulphide extraction
JPS5767138A
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1982-04-23
Collection of metal from ore
GB2118578B
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1986-05-14
Method of recovering metals from liquid slag
ZM8183A1
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1984-09-21
Process for the extraction of metal values and novel metal extractants
ZA81571B
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1982-03-31
Process for the recovery of copper and zinc values from sulphidic ore
GB2181722B
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1989-08-02
Method for the recovery of precious metals from ores
DE3166290D1
(en )
1984-10-31
Process for the recovery of metals from their ores
GB2115838B
(en )
1985-10-02
Method for reducing metal ore
YU210682A
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1985-03-20
Process for foram-flotation of sulfidic metallic ores
GB2133004B
(en )
1986-06-11
Process for the extraction of metal values and novel metal extractants
JPS53142317A
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1978-12-12
Method of extracting metal from ore
JPS57198224A
(en )
1982-12-04
Metal extraction from mineral ore by dry metallurgical process
ZA851489B
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1985-11-27
Process for hydrometallurgical extraction of precious metals
ZA813249B
(en )
1982-05-26
Method of extraction of metals from low grade ores
DE3261569D1
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1985-01-31
Method of recovering heavy metals
AU7017181A
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1982-11-11
Extraction of metals from low grade ores
BG46997A1
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1990-04-16
Method for underground extraction of metals from ores
ZM282A1
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1984-09-21
Process for the extraction of metal values and novel metal extractants
JPS56150194A
(en )
1981-11-20
Method of obtaining heavy metals from sulfide ore
ZA844181B
(en )
1985-01-30
Extraction of metals from ores
GB2069986B
(en )
1983-12-21
Hydrometallurgical recovery of metal values
BG35427A1
(en )
1984-04-15
Method for underground leaching of ores
BG36126A1
(en )
1984-09-14
Method for biological extraction of non- ferrous metals