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947424
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Information
Patent Grant
947424
References
Source
Patent Number
947,424
Date Filed
Not available
Date Issued
Tuesday, January 25, 1910
115 years ago
CPC
B29C47/84 - Heating or cooling the screws
F28F5/06 - Hollow screw conveyors
Y10S165/151 - having hollow blade
US Classifications
165 - Heat exchange
123 - Internal-combustion engines
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