Heat exchange apparatus
United States Patent 2268361

Inventors:
Walker, Edmund R.
Whitt, Sidney A.
Publication Date:
12/30/1941
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Assignee:
FEDDERS MFG CO INC
Primary Class:
165/82
Other Classes:
165/181, 165/55, 165/101, 165/151, 165/146, 165/DIG.052
International Classes:
F28D1/053; F28F27/00; F28D1/04