|
FI13868A
(en)
|
|
Method for concentrating minerals by flotation
|
|
FR711487A
(en)
|
|
Advanced sorter
|
|
FI13400A
(en)
|
|
Flotation method
|
|
CA313447A
(en)
|
|
Process of concentrating minerals by flotation
|
|
FI13553A
(en)
|
|
Methods for concentrating aliphatic syrups
|
|
FI13110A
(en)
|
|
Flotation method
|
|
FI13111A
(en)
|
|
Flotation method
|
|
FR719442A
(en)
|
|
Bicycle
|
|
FR724461A
(en)
|
|
Improvements to flying machines
|
|
CA303093A
(en)
|
|
Apparatus for the concentration of ores by flotation
|
|
ES117576A1
(en)
|
|
Enrichment procedure for calcareous gangue minerals.
|
|
FR772394A
(en)
|
|
Differential flotation process
|
|
CA313446A
(en)
|
|
Process of concentrating ores by flotation
|
|
CA310559A
(en)
|
|
Froth flotation
|
|
ES121394A1
(en)
|
|
Perfections in the concentration of minerals by the foamy flotation method.
|
|
FR726433A
(en)
|
|
Improvements to flying machines
|
|
FR716677A
(en)
|
|
Improvements to flying machines
|
|
FR708940A
(en)
|
|
Advanced flying machine
|
|
ES130615A1
(en)
|
|
Improvements in the concentration of minerals by the flotation method.
|
|
CA311772A
(en)
|
|
Flotation process
|
|
CA317293A
(en)
|
|
Process of concentrating minerals
|
|
ES139620A3
(en)
|
|
Improvements in the procedures for the separation of minerals by flotation.
|
|
GR3229B
(en)
|
|
METHOD OF ENRICHMENT OF MINERALS BY WASHING OF VERTICAL ACTIVITY.
|
|
ES140542A1
(en)
|
|
Improvements in the construction of apparatus for the separation of minerals by flotation.
|
|
AU2890230B
(en)
|
|
Improvements inthe concentration of ores by froth flotation
|