US PATENT SUBCLASS 210 / 103
.~ Diverse sensing means

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

97  DF  FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE {14}
103.~ Diverse sensing means {2}
104  DF  .~.~> Responsive to material level
105  DF  .~.~> With control for auxiliary liquid inlet

DEFINITION

Classification: 210/103

(under subclass 97) Apparatus which includes plural sensing means differing characteristics other than mere size.