US PATENT SUBCLASS 210 / 520
.~.~ Rotatable

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

513  DF  GRAVITATIONAL SEPARATOR {6}
519  DF  .~ Material supply distributor {1}
520.~.~ Rotatable

DEFINITION

Classification: 210/520

(under subclass 519) Apparatus which is rotatable.