DE3163890D1
(en )
1984-07-05
Process for the extraction of precious metals from solutions thereof
PT77388A
(en )
1983-10-01
Process for separately recovering zinc and lead values from zinc and lead containing sulphidic ore
PH17212A
(en )
1984-06-21
Method of recovering volatile metals from material containing metal oxides
GB2118578B
(en )
1986-05-14
Method of recovering metals from liquid slag
ZA82479B
(en )
1983-04-27
Recovery of precious metals
GB2069472B
(en )
1984-06-27
Process for recovering precious metals
ZA81571B
(en )
1982-03-31
Process for the recovery of copper and zinc values from sulphidic ore
DE3365627D1
(en )
1986-10-02
Process for recovering noble metals from solutions
DE3166290D1
(en )
1984-10-31
Process for the recovery of metals from their ores
GB2181722B
(en )
1989-08-02
Method for the recovery of precious metals from ores
ZA83392B
(en )
1983-10-26
Process for the recovery of metal values from mattes
DE3166293D1
(en )
1984-10-31
Process for the recovery of lead and silver from minerals and process residues
GB2068921B
(en )
1983-11-16
Precious metals recovery process
YU98181A
(en )
1983-04-30
Process for recovering metals
DE3279726D1
(en )
1989-07-06
Recovery of precious metals from leach residues
GB2127001B
(en )
1986-06-04
Recovery of precious metal(s)
DE3261569D1
(en )
1985-01-31
Method of recovering heavy metals
ZA825952B
(en )
1983-08-31
Method of recovering metals from metal-containing materials
ZA838949B
(en )
1984-07-25
Recovery of precious metals
ZA827360B
(en )
1983-08-31
Method of recovering noble metals
PL129510B2
(en )
1984-05-31
Method of recovery of metals from copper-arsenic sponge
ZA828597B
(en )
1983-09-28
Method for recovering gold from refractory ores
ZA839081B
(en )
1984-07-25
Recovery of precious metals
YU110482A
(en )
1985-04-30
Process for recovering noble metals
IE821858L
(en )
1983-02-12
Recovery of metals from solution