Insulated furnace members
United States Patent 3226101

Inventors:
Balaz, Joseph K.
Kelly, Richard A.
Publication Date:
12/28/1965
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Assignee:
FLINN & DREFFEIN ENGINEERING C
Primary Class:
432/234
Other Classes:
266/274, 266/249, 138/146
International Classes:
F27D3/02; F27D3/00
Foreign References:
FR1074041A