Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F26
DRYING
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F26B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
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11/00
Machines or apparatus for drying solid materials or objects with movement which is non-progressive
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F26B11/02
in moving drums or other mainly-closed receptacles
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F26B11/028
Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
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