Method and calcining furnace for electric calcining of carbonaceous material
A Standard patent application filed on 01 April 1998 credited to Vatland, Arnfinn
;
Johansen, Johan Arnold
Details
Application number :
69339
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method and calcining furnace for electric calcining of carbonaceous material