US PATENT SUBCLASS 84 / 6
.~.~.~ Pneumatic

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
3  DF  .~.~ Electric {2}
6.~.~.~ Pneumatic

DEFINITION

Classification: 84/6

The sounding-bodies of one or both sets are operated by player-pneumatics.