US PATENT SUBCLASS 210 / 186
.~.~ External of casing

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

175  DF  WITH HEATER OR HEAT EXCHANGER {8}
184  DF  .~ For filter {2}
186.~.~ External of casing

DEFINITION

Classification: 210/186

(under subclass 184) Apparatus wherein the heat exchanger is external of the means confining the liquid undergoing treatment.