Apparatus for and method of production of steel
United States Patent 3301664
US Patent References:
Steel making apparatus
- - 2818247

Multi-furnace for refining metal
- - 3060014

Method of making steel
- - 3231369


Inventors:
Hall, Thomas A.
Publication Date:
01/31/1967
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Assignee:
YOUNGSTOWN SHEET AND TUBE CO
Primary Class:
75/550
Other Classes:
266/901, 266/158
International Classes:
C21C5/32; C21C5/56; C21C5/00; C21C5/30