US PATENT SUBCLASS 210 / 191
.~ With pump, injector or siphon

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

190  DF  WITH EXTERNAL SUPPLY MEANS FOR REGENERATING MEDIUM, E.G., WATER SOFTENING SYSTEM {1}
191.~ With pump, injector or siphon

DEFINITION

Classification: 210/191

(under subclass 190) Apparatus including a pump, injector or siphon.