US PATENT SUBCLASS 131 / 305
.~.~ Within rotary drum-type apparatus

Current as of: June, 1999
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131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
300  DF  .~ With fluid or fluent material {6}
305.~.~ Within rotary drum-type apparatus

DEFINITION

Classification: 131/305

Within rotary drum-type apparatus:

(under subclass 300) Process or apparatus wherein the treatment takes place within a drum which rotates to agitate the materials and produce intimate association.