US PATENT SUBCLASS 210 / 522
.~.~ Each with lighter constituent discharge

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

513  DF  GRAVITATIONAL SEPARATOR {6}
521  DF  .~ Superposed compartments or baffles, e.g., parallel plate type {1}
522.~.~ Each with lighter constituent discharge

DEFINITION

Classification: 210/522

(under subclass 521) Apparatus with means to withdraw the lighter constituent from at least two compartments.