US PATENT SUBCLASS 84 / 520
.~.~.~ Leaves prepared

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
486  DF  .~ Leaf turners {8}
517  DF  .~.~ Single transfer bar {3}
520.~.~.~ Leaves prepared {1}
521  DF  .~.~.~.~> With magnetic disks

DEFINITION

Classification: 84/520

The leaves are notched or otherwise modified to cooperate with the mechanism.