US PATENT SUBCLASS 310 / 170
.~.~.~.~.~.~ Multifrequency

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
159  DF  .~.~ A.C. {5}
166  DF  .~.~.~ Induction {4}
168  DF  .~.~.~.~ Inductor-type generators (variable reluctance) {1}
169  DF  .~.~.~.~.~ High frequency {1}
170.~.~.~.~.~.~ Multifrequency

DEFINITION

Classification: 310/170

(under subclass 169) Subject matter relating to multi-frequency generators.