US PATENT SUBCLASS 84 / 435
.~.~.~.~ Fulcrums

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ General features {7}
423 R  DF  .~.~ Keyboards {12}
433  DF  .~.~.~ Keys {4}
435.~.~.~.~ Fulcrums

DEFINITION

Classification: 84/435

Improvements in the fulcrum.