METHOD OF CONTROLLING THE OPERATION OF A SHAFT FURNACE
United States Patent 3544710
Inventors:
Poos, Arthur
Publication Date:
12/01/1970
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Assignee:
CENTRE NAT RECH METALL
Primary Class:
Other Classes:
374/137
International Classes:
C21B7/24; G01F23/292; G01J5/04; G06T7/00; G01F23/284; H04N7/02