US PATENT SUBCLASS 84 / 87
.~.~.~.~ Disk

Current as of: June, 1999
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Internet Version by PATENTEC © 1999      Terms of Use


84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
83  DF  .~.~ Wind {3}
84  DF  .~.~.~ Organs {5}
87.~.~.~.~ Disk

DEFINITION

Classification: 84/87

The selection of notes is determined by projections or perforations on a disk.