|
GB821238A
|
|
Installation for the separation of materials in a dense medium and process for effecting same
|
|
US2664196A
|
|
Process and plant for the mechanical preparation of coals and minerals by washing in a plurality of chutes
|
|
DE815332C
|
|
Method and installation for washing coals and other minerals in a plurality of troughs
|
|
DE803529C
|
|
Washing of coal or ores in gutters
|
|
US2560429A
|
|
Apparatus for the washing in bulk of particles of coal and ores by alluviation in washing chutes
|
|
GB621216A
|
|
Automatic regulation of the alluvial action in coal and ore washeries operating by chutes
|
|
US2583768A
|
|
Adjustable discharge apparatus for slurry and muddy materials
|
|
GB613993A
|
|
Process and plant for washing ores by alluvial deposition
|
|
GB602825A
|
|
Plant for the refining of coal and ores by alluvial deposition in washing chutes
|
|
GB604380A
|
|
Process and plant for the mechanical preparation of coals and minerals by washing in a plurality of chutes
|
|
GB602823A
|
|
Plant and process for the washing and re-washing in bulk of coals and ores by alluvial deposition in washing chutes
|
