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1810973
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Information
Patent Grant
1810973
References
Source
Patent Number
1,810,973
Date Filed
Not available
Date Issued
Tuesday, June 23, 1931
93 years ago
CPC
F28D1/0233 - with air flow channels
F28D1/05333 - with multiple rows of conduits or with multi-channel conduits
Y10S165/332 - Coaxial ducts define air draft passage and annular passage for heat exchange fluid
US Classifications
165 - Heat exchange
122 - Liquid heaters and vaporizers
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