Preheater for preheating air for example in a blast-furnace plant
A Standard patent application filed on 12 February 1993 credited to Arpalahti, Olli
;
Westerlund, Kurt
;
Westerlund, Kim
;
Itapelto, Markku
Details
Application number :
35005
Application type :
Standard
Application status :
WITHDRAWN
Under opposition :
No
Proceeding type :
Invention title :
Preheater for preheating air for example in a blast-furnace plant
Inventor :
Arpalahti, Olli
;
Westerlund, Kurt
;
Westerlund, Kim
;
Itapelto, Markku