US PATENT SUBCLASS 73 / 64.55
.~ Interface

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
64.55.~ Interface

DEFINITION

Classification: 73/64.55

Interface:

(under subclass 53.01) Subject matter wherein the determination is made by detecting or measuring a property of the section along a fluid flow where liquid of a first kind immediately followed by a liquid of a second kind meets.