Coated chimney
United States Patent 3281308

Inventors:
Asto, Eugene D. G.
Publication Date:
10/25/1966
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Assignee:
UNITED STATES STEEL CORP
Primary Class:
Other Classes:
428/324, 52/219, 428/312.600, 52/612, 428/49, 264/30, 106/280, 428/443
International Classes:
F23J13/02; F23J13/00