US PATENT SUBCLASS 209 / *
.~ With liquid treatment

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

422  DF  STRATIFIERS {6}
*.~ With liquid treatment {3}
*  DD  .~.~> Movable bed {3}
*  DD  .~.~> Receptacles {3}
*  DD  .~.~> Stationary bed {3}