Heat transmitting tubes having helical fin means
United States Patent 3288209
US Patent References:
Cooling unit
- - 2680009


Inventors:
Wall, Alan J.
Alan, Palmer
Publication Date:
11/29/1966
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Assignee:
DEWANDRE CO LTD C
Primary Class:
165/184
Other Classes:
29/890.048
International Classes:
F28F1/36; F28F1/12
Foreign References:
FR1298197A
DE839508C
GB799391A