Furnace construction
United States Patent 2293813

Inventors:
Fisher, Andrew J.
Publication Date:
08/25/1942
View Patent Images:
Download PDF 2293813 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
BETHLEHEM STEEL CORP
Primary Class:
432/260
Other Classes:
432/206, 266/253, 34/239, 165/185
International Classes:
C21D9/663; C21D9/54