Refractory lining
United States Patent 1917849

Inventors:
Fitch, Northrup Edwin
Publication Date:
07/11/1933
View Patent Images:
Download PDF 1917849 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
AJAX ELECTROTHERMIC CORP
Primary Class:
373/72
Other Classes:
266/286, 264/30, 266/281
International Classes:
C04B35/00