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257159
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Information
Patent Grant
257159
References
Source
Patent Number
257,159
Date Filed
Not available
Date Issued
Tuesday, May 2, 1882
142 years ago
CPC
B29C47/84 - Heating or cooling the screws
B29C47/0009 - characterised by the shape of the articles
F28F5/06 - Hollow screw conveyors
Y10S165/148 - Auger
US Classifications
165 - Heat exchange
034 - Drying and gas or vapor contact with solids
198 - Conveyors: power-driven
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