US PATENT SUBCLASS 210 / 184
.~ For filter

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

175  DF  WITH HEATER OR HEAT EXCHANGER {8}
184.~ For filter {2}
185  DF  .~.~> Imbedded or between filter media
186  DF  .~.~> External of casing

DEFINITION

Classification: 210/184

(under subclass 175) Apparatus wherein the separator is a filter.