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923047
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Information
Patent Grant
923047
References
Source
Patent Number
923,047
Date Filed
Not available
Date Issued
Tuesday, May 25, 1909
115 years ago
CPC
B29C47/84 - Heating or cooling the screws
F28F5/06 - Hollow screw conveyors
Y10S165/148 - Auger
US Classifications
165 - Heat exchange
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