US4940488B1
(en )
1999-08-10
Method of smelting reduction of ores containing metal oxides
JPS6433041A
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1989-02-02
Binder of metal-containing ore
GB2123440B
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1985-11-20
Method of converting iron ore into molten iron
EP0209861A3
(en )
1987-12-02
Melt-reductive iron making method from iron ore
GB2162539B
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1988-12-29
Processing of copper alloys
YU210682A
(en )
1985-03-20
Process for foram-flotation of sulfidic metallic ores
CS715185A2
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1989-08-14
Method of zinc production from ores and concentrates
PL265754A1
(en )
1988-12-08
Method for manufacturing briquettes of copper ore concentrates
ZW2985A1
(en )
1985-09-04
Process for hydrometallurgical extraction of precious metals
ZA853832B
(en )
1986-01-29
Ore flotation method
DE3360636D1
(en )
1985-10-03
Direct reduction method for iron ores
GB2209767B
(en )
1991-01-09
Method for beneficiating oxidized copper ores
PL238555A1
(en )
1984-04-24
Method of making briquets of copper ore concentrates
JPS56152935A
(en )
1981-11-26
Method of smelting copper of nickel rich ore
ZA889128B
(en )
1989-08-30
Method of smelting reduction of ores containing metal oxides
PL238154A1
(en )
1984-03-12
Method of obtaining sulfidie copper ore concentrates
SU1176955A1
(en )
1985-09-07
Method of flotation of fluorite-containing ores
ZW7285A1
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1986-11-19
Method of processing chromite ores
PL267329A2
(en )
1988-06-23
Method for manufacturing agglomerated juice concentrates
PL248342A1
(en )
1986-01-14
Copper ore vertical flotation method
GB8407975D0
(en )
1984-05-10
Leaching of copper dross
PL284076A1
(en )
1991-09-09
Method of processing copper ore concentrates
BG36126A1
(en )
1984-09-14
Method for biological extraction of non- ferrous metals
AU7392087A
(en )
1988-11-02
Method for concentrating oxidized copper ore
GB8308553D0
(en )
1983-05-05
Leaching of copper dross