Hydrometallurgic method for processing raw materials containing zinc sulphide
A Standard patent application filed on 04 February 1991 credited to Jarvinen, Aimo Ensio
;
Fugleberg, Sigmund Peder
Details
Application number :
70210
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
Hydrometallurgic method for processing raw materials containing zinc sulphide