Furnace pipe insulation
United States Patent 3149826
US Patent References:
Track for use in furnaces
- - 1753220

Furnace insulation system
- - 2693352


Inventors:
Brough, John R.
Murphy, Thomas E.
Publication Date:
09/22/1964
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Assignee:
INLAND STEEL CO
Primary Class:
432/234
Other Classes:
138/147
International Classes:
F27D3/02; F27D3/00