US PATENT SUBCLASS 84 / 117
.~.~.~ Mechanical fingers

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
115  DF  .~.~ Selectors {8}
117.~.~.~ Mechanical fingers

DEFINITION

Classification: 84/117

The note-sheet acts mechanically on movable fingers.

(1) Note. For electrical fingers see this class, subclass 147.