CH353848A
(en )
1961-04-30
Process for the production of urokinase concentrates
CH376134A
(en )
1964-03-31
Process for reducing iron oxide ore
GB827957A
(en )
1960-02-10
Improvements in the production of metal from ores and in apparatus therefor
AT179095B
(en )
1954-07-10
Process for the processing of iron-containing sulfidic ores by chlorination
AT178867B
(en )
1954-06-25
Process for the enrichment of the metallic iron contained in reduced iron ore
AT185831B
(en )
1956-06-11
Process for pre-freshening pig iron or steel iron in the ladle
AT179025B
(en )
1954-07-10
Process for grain refinement in the continuous or discontinuous casting of refractory metals
AT199210B
(en )
1958-08-25
Process for reducing iron ores
AT184594B
(en )
1956-02-10
Process for the reduction of ores
AT194423B
(en )
1958-01-10
Process for the desulfurization of molten iron or molten iron alloys
AT185830B
(en )
1956-06-11
Process for the reduction of iron oxides in powder form
AT198229B
(en )
1958-06-25
Process for the production of coke containing iron ore
AT214952B
(en )
1961-05-10
Process for the reduction of comminuted oxidic iron ores
AT184201B
(en )
1955-12-27
Process for the desulfurization of iron in a shaft furnace
AT169555B
(en )
1951-11-26
Process for the simultaneous smelting of iron ores with different iron contents
AT179547B
(en )
1954-09-10
Process for the reduction of iron oxides
AT181707B
(en )
1955-04-25
Process for the production of billets or billets from iron alloys with increased sulfur content (free-cutting steels)
AT209364B
(en )
1960-06-10
Process for processing iron-containing amalgams for the purpose of obtaining electrolyte iron
AT186655B
(en )
1956-09-10
Process for the production of pig iron in two stages
AT188721B
(en )
1957-02-11
Process for the processing of ferrous sulphate
FR1073884A
(en )
1954-09-29
Improvements in igneous reduction processes for metal ores
AT184372B
(en )
1956-01-10
Process for processing sulphidic ores containing iron and non-ferrous metals
AT188735B
(en )
1957-02-11
Process for smelting ore, in particular iron ore
AT171405B
(en )
1952-05-26
Process for the extraction of metals from ores
CA481392A
(en )
1952-02-26
Concentration of iron ores