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1931467
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Information
Patent Grant
1931467
References
Source
Patent Number
1,931,467
Date Filed
Not available
Date Issued
Tuesday, October 17, 1933
90 years ago
CPC
F28D1/0477 - the conduits being bent in a serpentine or zig-zag
F28F9/262 - for radiators
Y10S165/499 - with parallel tubes or tube sections having ends joined to opposed frame members
US Classifications
165 - Heat exchange
285 - Pipe joints or couplings
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