FI43791C
(fi )
1971-06-10
Menetelmä malmien ja rikasteiden sulattamiseksi jatkuvasti
ZA751232B
(en )
1976-01-28
Method for selectively dissolving nonferrous metals contained in pyritic ores
YU34435B
(en )
1979-07-10
Process for the separation of useful metals comprised in laterite ore
PH9559A
(en )
1976-01-16
Method and apparatus for reducing particulate metal ores to sponge iron
AT283404B
(de )
1970-08-10
Schachtofen für die Direktreduktionen von Eisenerz
BE761639A
(fr )
1971-06-16
Procede d'extraction du fer et des metaux non ferreux des minerais ferreux
MY7100210A
(en )
1971-12-31
Reduction of oxidic iron ores
AT263244B
(de )
1968-07-10
Verfahren zum vertikalen Stranggießen von Nichteisenmetallen
ZA693574B
(en )
1971-01-27
Improvements in the pelletisation of copper ores
YU34017B
(en )
1978-10-31
Process for the separation of ferric iron from solutions obtained in ore leaching
IL37227A
(en )
1974-06-30
Method of reducingparticulate metals ores
ZA701878B
(en )
1971-04-28
Improvements in methods and furnaces for steel manufacture by direct reduction and melting of iron ore
MY6600078A
(en )
1966-12-31
Improved hard-burned iron ore agglomerates and method for the production thereof
ZM8069A1
(en )
1969-12-17
Method for smelting low-sulphur copper ores
ZA707289B
(en )
1971-07-28
Process for autogenous smelting of copper ore concentrates and charge product therefor
CH425093A
(de )
1966-11-30
Vorrichtung zum Beschicken von Metallschmelzen mit Barren
IL22195A
(en )
1968-11-27
Process for the segregation of metals from their ores
AU428800B2
(en )
1968-06-27
Method of sulphatizing nonferrous metals in finely ground iron or other ores
AU1566666A
(en )
1968-06-27
Method of sulphatizing nonferrous metals in finely ground iron or other ores
NL159140B
(nl )
1979-01-15
Werkwijze voor het reduceren van ijzererts in een hoogoven.
ZA713324B
(en )
1972-01-26
Feeding ores or concentrates to smelting furnaces
FI41463C
(fi )
1969-11-10
Menetelmä ei-rautametallien oksideja sisältävien rautamalmien tai rautaperusteisten pasutteiden klooraamiseksi
ZM2675A1
(en )
1975-12-22
Method for selectively dissolving nonferrous metals contained in pyritic ores
FI47112C
(fi )
1973-09-10
Laite ei-rauta- ja jalometalleja sisältävien malmien ja rikasteiden kä sittelemiseksi.
PH10652A
(en )
1977-07-27
Method for secetively dissolving non-ferrous metals contained in pyritic ores