US PATENT SUBCLASS 84 / 88
.~.~.~.~ Electropneumatic action

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
83  DF  .~.~ Wind {3}
84  DF  .~.~.~ Organs {5}
88.~.~.~.~ Electropneumatic action

DEFINITION

Classification: 84/88

Electropneumatic organs with automatic control.