Heat exchange device
United States Patent 1899080

Inventors:
Dalgliesh, Herbert V.
Publication Date:
02/28/1933
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Assignee:
RES & DEV CORP
Primary Class:
165/153
Other Classes:
165/DIG.464, 138/42, 165/166, 165/150, 138/38
International Classes:
F28D9/00; F28F3/02; F28F9/26; F28F3/00