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1813221
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Information
Patent Grant
1813221
References
Source
Patent Number
1,813,221
Date Filed
Not available
Date Issued
Tuesday, July 7, 1931
93 years ago
CPC
F28D1/0535 - the conduits having a non-circular cross-section
Y10S165/457 - Individual manifolds for each section
US Classifications
165 - Heat exchange
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