CH353848A
(en )
1961-04-30
Process for the production of urokinase concentrates
CH376134A
(en )
1964-03-31
Process for reducing iron oxide ore
AT179095B
(en )
1954-07-10
Process for the processing of iron-containing sulfidic ores by chlorination
DE1816351A1
(en )
1970-10-08
Process for the extraction of zinc from sulphidic ores
AT199882B
(en )
1958-09-25
Process for the direct recovery of lead from essentially sulphidic ores or concentrates
AT193607B
(en )
1957-11-25
Process for roasting sulfidic ores or ore concentrates
AT193609B
(en )
1957-11-25
Process for the extraction of metallic lead from ores, intermediate products or waste products which contain lead sulphide
AT198955B
(en )
1958-08-11
Process for the extraction of metallic lead from ores, intermediate products or waste products which contain lead sulphide
CH312716A
(en )
1956-02-29
Method for stiffening clothing parts and clothing part stiffened by this method
AT189799B
(en )
1957-05-10
Process for the chlorinating thermal processing of iron and / or non-ferrous metal-containing sulfidic ores
CH378866A
(en )
1964-06-30
Process for the extraction of lithium sulfate from lithium ores
CH330375A
(en )
1958-05-31
Process for the electrolytic polishing of objects made of gold and gold alloys
AT171405B
(en )
1952-05-26
Process for the extraction of metals from ores
AT184372B
(en )
1956-01-10
Process for processing sulphidic ores containing iron and non-ferrous metals
AT196134B
(en )
1958-02-25
Process for the extraction of metals from their amalgams
CA506233A
(en )
1954-10-05
Process of treating sulphidic tungsten ore concentrates
AT184373B
(en )
1956-01-10
Process for sintering ores
AT176023B
(en )
1953-09-10
Process for the extraction of copper brine from copper-containing sulfur ores
AT186233B
(en )
1956-07-25
Process for the extraction of ferric chloride from iron ore or other material containing iron oxide
AT265665B
(en )
1968-10-25
Process for the extraction of metals from ores
AT210153B
(en )
1960-07-25
Process for processing shaped bodies made of refractory metals or their alloys
AT188735B
(en )
1957-02-11
Process for smelting ore, in particular iron ore
AT194532B
(en )
1958-01-10
Process for obtaining vitamin B12 concentrates
AT175854B
(en )
1953-08-25
Process for processing oxidic iron ores by flotation
AT199210B
(en )
1958-08-25
Process for reducing iron ores