Downwardly propagating pillar working
A Standard patent application filed on 26 April 1991 credited to Seppanen, Pentti Sakari
;
Aaro, Lars-Erik
;
Edeblom, Nils Edvald
;
Marttala, Karl-Erik
;
Lindqvist, David Ragnar
Details
Application number :
75937
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Downwardly propagating pillar working
Inventor :
Seppanen, Pentti Sakari
;
Aaro, Lars-Erik
;
Edeblom, Nils Edvald
;
Marttala, Karl-Erik
;
Lindqvist, David Ragnar