US PATENT SUBCLASS 84 / 367
.~.~.~.~ Pneumatic

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
330  DF  .~ Wind {5}
351  DF  .~.~ Reed organs {10}
365  DF  .~.~.~ Key actions {3}
367.~.~.~.~ Pneumatic

DEFINITION

Classification: 84/367

Patents including a pneumatic in the key action.