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22144
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Patent Grant
22144
References
Source
Patent Number
22,144
Date Filed
Not available
Date Issued
Tuesday, November 23, 1858
165 years ago
CPC
B22C5/0454 - with bottom disc rotating about a vertical axis or with receptacle rotating about a vertical or steeply inclined axis
US Classifications
034 - Drying and gas or vapor contact with solids
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