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1804424
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Information
Patent Grant
1804424
References
Source
Patent Number
1,804,424
Date Filed
Not available
Date Issued
Tuesday, May 12, 1931
93 years ago
CPC
F28D1/0246 - heat-exchange elements having several adjacent conduits forming a whole
F28D2021/0035 - for domestic or space heating
Y10S165/33 - Air draft passage is parallel to flow direction of heating or cooling means
US Classifications
165 - Heat exchange
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