Fluid heater
United States Patent 2456564
US Patent References:
/RE15554.html
- - RE15554

/0521838.html
- - 0521838

Heat-exchanger
- - 1366958

Heat-interchanger
- - 1382670

High vacuum distillation
- - 2224621


Inventors:
Otto, Muller
Publication Date:
12/14/1948
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Assignee:
Otto, Muller
Primary Class:
165/159
Other Classes:
165/163, 165/DIG.416
International Classes:
F24D3/08; F24D3/00
Foreign References:
FR427042A