US PATENT SUBCLASS 73 / 61.57
.~.~.~.~ With detail of compensation or regulating means

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}
61.41  DF  .~ Content or effect of a constituent of a liquid mixture {8}
61.43  DF  .~.~ Liquid constituent of a liquid mixture {9}
61.52  DF  .~.~.~ Chromatography {6}
61.57.~.~.~.~ With detail of compensation or regulating means

DEFINITION

Classification: 73/61.57

With detail of compensation or regulating means:

(under subclass 61.52) Subject matter wherein significance is attributed to means for controlling a condition within the apparatus or making a correction in a test result due to such condition.