|
GB255475A
|
|
A process for chlorinating ores
|
|
GB235902A
|
|
Improvements in and relating to the treatment of solid materials with liquids
|
|
GB237571A
|
|
Improvements in and relating to the treatment of ores or other materials with liquids
|
|
DE435322C
|
|
Feeding device for roasted ore
|
|
US1346843A
|
|
Movable irrigating apparatus
|
|
GB140700A
|
|
Improvements in movable irrigating apparatus
|
|
US1353268A
|
|
Mechanical furnace
|
|
DE435323C
|
|
Method and device for the treatment of solids with liquids
|
