US PATENT SUBCLASS 73 / 576
.~.~ Device having an electromagnetic drive


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

570  DF  VIBRATION {10}
574  DF  .~ Mechanical impedance {2}
576.~.~ Device having an electromagnetic drive


DEFINITION

Classification: 73/576

Device having an electromagnetic drive:

(under subclass 574) Subject matter wherein the body or body supporting unit is vibrated by direct application of electromagnetic action thereto.