US PATENT SUBCLASS 324 / 443
.~.~ Having a bridge circuit

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

425  DF  ELECTROLYTE PROPERTIES {3}
439  DF  .~ Using a conductivity determining device {8}
443.~.~ Having a bridge circuit

DEFINITION

Classification: 324/443

Having a bridge circuit:

(under subclass 439) Subject matter including a conductivity cell under test as the arm of a bridge circuit.