US PATENT SUBCLASS 34 / 520
.~.~ Within drum

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

282  DF  PROCESS {24}
519  DF  .~ Conductive heating {2}
520.~.~ Within drum

DEFINITION

Classification: 34/520

Within drum:

(under subclass 519) Process wherein the treated material is enclosed within a cylinder structure for treatment.