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1820074
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Information
Patent Grant
1820074
References
Source
Patent Number
1,820,074
Date Filed
Not available
Date Issued
Tuesday, August 25, 1931
92 years ago
CPC
F28F5/02 - Rotary drums or rollers
B29B7/625 - provided with cooling or heating means
B29B7/82 - Heating or cooling
US Classifications
062 - Refrigeration
038 - Textiles: ironing or smoothing
165 - Heat exchange
492 - Roll or roller
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