DK131477B
(en )
1975-07-21
Process for refining titanium-containing ores.
BE578967A
(en )
1959-11-23
Process for roasting sulphurous ores, in particular pyrite.
OA03715A
(en )
1971-12-24
Ore flotation process.
BE605137A
(en )
1961-12-19
Process for recovering metals from ores.
BE578499A
(en )
1959-08-31
Process for roasting sulphurous ferruginous ores.
FR1243733A
(en )
1960-10-14
Process for the reduction of metalliferous ores, in particular iron ores for the production of iron
OA01617A
(en )
1969-09-20
New process for reducing iron ores.
BE578835A
(en )
1959-09-16
Process for bonding metals.
BE582609A
(en )
1960-03-11
Process for reducing iron ores.
BE576696A
(en )
1959-07-01
Process for the reductive roasting of iron ores.
BE584945R
(en )
1960-05-23
Process of roasting sulphidic ores.
OA03542A
(en )
1971-03-30
Improved process for leaching reduced laterite ores.
BE583047A
(en )
1960-03-25
Process for reducing iron ores.
BE576584A
(en )
1959-07-01
Non-ferrous metal extraction process.
AT209362B
(en )
1960-06-10
Device for roasting and sintering, d. H. for making fine ores into pieces
BE585819R
(en )
1960-06-20
Sulfidic ores roasting process
BE583912R
(en )
1960-04-22
Sulfidic ores roasting process
FR1221320A
(en )
1960-06-01
Process for reducing iron ore roasting
BE573416A
(en )
1959-03-16
Non-ferrous metal extraction process.
FR1198468A
(en )
1959-12-08
Ore leaching process
BE591842A
(en )
1960-10-03
Metalliferous composition and process for obtaining it.
BE591501Q
(en )
1960-10-03
Rubberized material, in particular for diving clothing.
DK105783C
(en )
1966-11-07
Process for the extraction of uranium-containing minerals.
BE580129A
(en )
1959-12-28
Process for the reduction of ores.
BE592047A
(en )
1960-10-17
Process and machines for cutting sheet metal.