US PATENT SUBCLASS 84 / 316
.~.~.~.~ For semitone

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
290  DF  .~.~ Details {15}
315  DF  .~.~.~ Fingering devices {3}
316.~.~.~.~ For semitone

DEFINITION

Classification: 84/316

Devices to sharp or flat a note, so as to change the key.

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