US PATENT SUBCLASS 34 / 187
.~.~ With gas or vapor circulation for contact with treated material

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

523  DF  APPARATUS {40}
184  DF  .~ Rotary or swinging carrier or rack {3}
187.~.~ With gas or vapor circulation for contact with treated material {1}
188  DF  .~.~.~> Air scoops and/or suspended treated material supports

DEFINITION

Classification: 34/187

(under subclass 184) Apparatus provided with means for causing a flow of treating gas or vapor into contact with the material treated.