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1306976
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Information
Patent Grant
1306976
References
Source
Patent Number
1,306,976
Date Filed
Not available
Date Issued
Tuesday, June 17, 1919
105 years ago
CPC
H01L23/467 - by flowing gases
H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Y10S165/308 - Coaxial impellers
US Classifications
165 - Heat exchange
123 - Internal-combustion engines
180 - Motor vehicles
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