US PATENT SUBCLASS 34 / 594
.~.~ Using rotary gas current

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
576  DF  .~ With fluid current conveying of treated material {12}
594.~.~ Using rotary gas current

DEFINITION

Classification: 34/594

Using rotary gas current:

(under subclass 576) Subject matter wherein the treated material is suspended by a revolving fluid flow.