US PATENT SUBCLASS 84 / 19
.~.~.~.~ Electric power

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
19.~.~.~.~ Electric power {2}
20  DF  .~.~.~.~.~> Key actuators {1}
23  DF  .~.~.~.~.~> With expression

DEFINITION

Classification: 84/19

The power is derived from a source of electricity.