US PATENT SUBCLASS 210 / 255
.~ Cascade

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

252  DF  SERIALLY CONNECTED DISTINCT TREATING WITH OR WITHOUT STORAGE UNITS {7}
255.~ Cascade

DEFINITION

Classification: 210/255

(under subclass 252) Apparatus in which the units or parts thereof are in stepped relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

262, for serial diverse units one above another.