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1690444
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Information
Patent Grant
1690444
References
Source
Patent Number
1,690,444
Date Filed
Not available
Date Issued
Tuesday, November 6, 1928
96 years ago
CPC
F26B17/32 - the movement being in a horizontal or slightly inclined plane
US Classifications
034 - Drying and gas or vapor contact with solids
159 - Concentrating evaporators
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