US PATENT SUBCLASS 318 / 670
.~.~.~ Contact resistance

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
638  DF  .~ With particular "error-detecting" means {13}
652  DF  .~.~ With particular position measuring instruments {7}
670.~.~.~ Contact resistance

DEFINITION

Classification: 318/670

(under subclass 652) Subject matter in which the particular position measuring instrument is a means for measuring contact resistance.