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2878584
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Patent Grant
2878584
References
Source
Patent Number
2,878,584
Date Filed
Not available
Date Issued
Tuesday, March 24, 1959
65 years ago
CPC
F26B11/188 - the subdivisions consisting of concentric perforated walls, or spiral-shaped walls
US Classifications
034 - Drying and gas or vapor contact with solids
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