PT75891B
(en )
1985-10-04
Process for metal sulphide extraction
DE3163890D1
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1984-07-05
Process for the extraction of precious metals from solutions thereof
JPS57135029A
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1982-08-20
Removal of sulfur from process current
YU16486A
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1986-12-31
Process for making mytomycine analogs
PT73185A
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1981-07-01
Process for the recovery of lead and silver from minerals and process residues
DE3276910D1
(en )
1987-09-10
Process for the selective recovery of lead from lead sulphides
AU555840B2
(en )
1986-10-09
Process for selectively extracting lead from lead sulphides
GB2115010B
(en )
1985-05-22
Method of producing lead bullion from sulphide concentrate
ZA828618B
(en )
1983-09-28
Process for selective extraction of lead from lead sulphides
GB8316410D0
(en )
1983-07-20
Extraction of copper from solutions
DE3368607D1
(en )
1987-02-05
Improved process for making thiobiscarbamates
ZA835905B
(en )
1984-04-25
Method for removing arsenic from a sulphuric-acid solution
IL66455A0
(en )
1982-12-31
Process for separation of copper from solutions
YU183883A
(en )
1985-12-31
Process for fat-separation
ZA826573B
(en )
1983-07-27
Process for the extraction of copper
PL236023A1
(en )
1983-10-24
Method of implementation of the process of electrorefining,especially of copper
SU1090406A1
(en )
1984-05-07
Method of separating alpha-2-macroglobuline
PL234883A1
(en )
1983-08-01
Method of utilization of slimes from isobutylbenzene manufacture process
YU45301B
(en )
1992-05-28
Process for making mytomycine analogs
ZM1680A1
(en )
1980-10-21
Process for recovering copper
PL234827A1
(en )
1983-08-01
Method of wining of metals from ores
BG33808A1
(en )
1983-05-16
Method for making of poly- delta- valerolactone
BG32339A1
(en )
1982-07-15
Method for silver extraction from photopaper
ZA823017B
(en )
1983-03-30
Process for leaching of uranium from its ore
IE821858L
(en )
1983-02-12
Recovery of metals from solution