US PATENT SUBCLASS 73 / 470
.~.~.~ By circumferentially adjustable weights

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

66  DF  ROTOR UNBALANCE {7}
460  DF  .~ Dynamic (spinning) {4}
468  DF  .~.~ With counterbalancing means {2}
470.~.~.~ By circumferentially adjustable weights

DEFINITION

Classification: 73/470

(under subclass 468) Subject matter where a weight of known value is adjustable circumferentially of the rotor under test.