US PATENT SUBCLASS 68 / 144
.~.~ Imperforate receptacle type

Current as of: June, 1999
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68 /   HD   TEXTILES: FLUID TREATING APPARATUS

3 R  DF  MACHINES {22}
139  DF  .~ Tumbling {4}
144.~.~ Imperforate receptacle type {2}
145  DF  .~.~.~> Compartmented
146  DF  .~.~.~> Fixed inclined axis

DEFINITION

Classification: 68/144

Tumblers which are imperforate.