CH280489A
(en )
1952-01-31
Process for the electrolytic deposition of copper.
CH280487A
(en )
1952-01-31
Process for purifying water.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT181607B
(en )
1955-04-12
Process for smelting ores, especially iron ores.
AT181605B
(en )
1955-04-12
Process for smelting ores, especially iron ores
AT181863B
(en )
1955-05-10
Process for smelting ores, especially iron ores
CH271087A
(en )
1950-10-15
Process for increasing the wetting ability of mercerising liquors.
AT181606B
(en )
1954-04-12
Process for the smelting of ores, in particular iron ores
AT186269B
(en )
1956-07-25
Process for smelting ores, in particular iron ores, in a low-shaft furnace
CH273748A
(en )
1951-02-28
Process for the electrolytic refining of iron.
CH276136A
(en )
1951-06-30
Process for filtering liquids.
AT169555B
(en )
1951-11-26
Process for the simultaneous smelting of iron ores with different iron contents
AT183426B
(en )
1955-10-10
Process for smelting ores, in particular iron ores, in a low-shaft furnace
CH283898A
(en )
1952-06-30
Process for the production of copper oxide dry rectifiers.
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
AT174071B
(en )
1953-02-25
Process for producing steel from pig iron by refining
AT188735B
(en )
1957-02-11
Process for smelting ore, in particular iron ore
CH288128A
(en )
1953-01-15
Process for spinning polyvinyl chloride.
AT174368B
(en )
1953-03-25
Process for the extraction of iron oxide from iron ores
CH260737A
(en )
1949-03-31
Process for making dentures.
GR11774B
(en )
1948-08-18
METAL PANELS FOR CLOTHING.
CH276489A
(en )
1951-07-15
Verfahren zum Verkleben.
AT174894B
(en )
1953-05-11
Process for the extraction of ferric chloride from iron ores
GR11635B
(en )
1948-05-18
METAL PINS FOR CLOTHING.
AT180281B
(en )
1954-11-25
Process for the production of metal powders, in particular iron powders