FR1068030A
(en )
1954-06-22
Hydrometallurgical process for metal extraction
CH317133A
(en )
1956-11-15
Process for polymerizing acrylonitrile
DE1016938C2
(en )
1958-03-27
Process for roasting and sintering sulphidic ores and other sulphurous materials
AT183426B
(en )
1955-10-10
Process for smelting ores, in particular iron ores, in a low-shaft furnace
AT186269B
(en )
1956-07-25
Process for smelting ores, in particular iron ores, in a low-shaft furnace
AT185831B
(en )
1956-06-11
Process for pre-freshening pig iron or steel iron in the ladle
AT189751B
(en )
1957-05-10
Process for casting, in particular for the continuous casting of metals
FR1073811A
(en )
1954-09-29
Ore reduction process
AT178101B
(en )
1954-04-10
Process for blowing pig iron
DE1173497C2
(en )
1969-06-04
Process for reducing green, unsintered iron ore pellets
AT188735B
(en )
1957-02-11
Process for smelting ore, in particular iron ore
AT186789B
(en )
1956-09-10
Process for the continuous casting of metals, in particular iron
AT181605B
(en )
1955-04-12
Process for smelting ores, especially iron ores
AT181863B
(en )
1955-05-10
Process for smelting ores, especially iron ores
AT199210B
(en )
1958-08-25
Process for reducing iron ores
AT181607B
(en )
1955-04-12
Process for smelting ores, especially iron ores.
AT177435B
(en )
1954-01-25
Process for blowing metal baths, in particular pig iron baths
AT174387B
(en )
1953-03-25
Process for blowing pig iron
AT187928B
(en )
1956-12-10
Process for making steel by refining in hearth furnaces
AT181606B
(en )
1954-04-12
Process for the smelting of ores, in particular iron ores
AT178867B
(en )
1954-06-25
Process for the enrichment of the metallic iron contained in reduced iron ore
AT175585B
(en )
1953-07-25
Process for refining molten metal baths, in particular iron baths
AT184201B
(en )
1955-12-27
Process for the desulfurization of iron in a shaft furnace
AT183428B
(en )
1955-10-10
Process for refining metals
FR1039680A
(en )
1953-10-08
Sulphide ores smelting process