US PATENT SUBCLASS 210 / 202
.~.~.~ Diverse type

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

198.1  DF  WITH MEANS TO ADD TREATING MATERIAL {5}
200  DF  .~ Plural distinct separators {2}
201  DF  .~.~ Serially connected {1}
202.~.~.~ Diverse type

DEFINITION

Classification: 210/202

(under subclass 201) Systems comprising at least two different types of separating means.