US PATENT SUBCLASS 210 / 195.2
.~.~ With semipermeable membrane, e.g., dialyzer, etc.

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

194  DF  RECIRCULATION {3}
195.1  DF  .~ Serially connected distinct treating or storage units {2}
195.2.~.~ With semipermeable membrane, e.g., dialyzer, etc.

DEFINITION

Classification: 210/195.2

With semipermeable membrane, e.g., dialyzer, etc.:

(under subclass 195.1) Apparatus including a septum selective as to composition.