CH277997A
(en )
1951-09-30
Process for the electrodeposition of gold or gold alloys.
CH271110A
(en )
1950-10-15
Process for destroying foam or preventing foam formation.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT174894B
(en )
1953-05-11
Process for the extraction of ferric chloride from iron ores
AT179095B
(en )
1954-07-10
Process for the processing of iron-containing sulfidic ores by chlorination
AT174368B
(en )
1953-03-25
Process for the extraction of iron oxide from iron ores
AT174069B
(en )
1953-02-25
Process for the production of technically pure iron
AT171405B
(en )
1952-05-26
Process for the extraction of metals from ores
AT186233B
(en )
1956-07-25
Process for the extraction of ferric chloride from iron ore or other material containing iron oxide
CH296008A
(en )
1954-01-31
Process for the electrolytic treatment of objects made of iron or iron alloys.
AT175706B
(en )
1953-08-10
Process for the extraction of gallium from raw aluminum containing gallium
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT170032B
(en )
1952-01-10
Process for the extraction of argon
AT176862B
(en )
1953-12-10
Process and plant for the extraction of iron from ores containing iron oxide
AT186269B
(en )
1956-07-25
Process for smelting ores, in particular iron ores, in a low-shaft furnace
AT181605B
(en )
1955-04-12
Process for smelting ores, especially iron ores
AT181863B
(en )
1955-05-10
Process for smelting ores, especially iron ores
AT170855B
(en )
1952-04-10
Process for the production of nitriles from aldoximes
AT181606B
(en )
1954-04-12
Process for the smelting of ores, in particular iron ores
AT168637B
(en )
1951-07-10
Process for the electrolytic polishing of metals
CH273748A
(en )
1951-02-28
Process for the electrolytic refining of iron.
AT177760B
(en )
1954-03-10
Process for the production of carbides from powdery heavy metals
CH273951A
(en )
1951-03-15
Process for the production of vinyl chloride.
AT168097B
(en )
1951-04-10
Process for the production of canned sausage
AT184594B
(en )
1956-02-10
Process for the reduction of ores