US PATENT SUBCLASS 84 / 336
.~.~.~.~.~ Membrane valve

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
330  DF  .~ Wind {5}
331  DF  .~.~ Pipe organs {4}
332  DF  .~.~.~ Actions {8}
335  DF  .~.~.~.~ Pneumatic details {1}
336.~.~.~.~.~ Membrane valve

DEFINITION

Classification: 84/336

A diaphragm serves as a valve.