US PATENT SUBCLASS 84 / 376 K
.~.~.~.~ Keys and keyboards

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
330  DF  .~ Wind {5}
375  DF  .~.~ Minor reed {2}
376 R  DF  .~.~.~ Accordions {4}
376 K.~.~.~.~ Keys and keyboards

Unofficial Alpha Subclasses: R A EA K SM

DEFINITION

Classification: 84/376

Wind is supplied by a hand-operated bellows and the reeds are controlled by valves and keys. Some forms are called "concertinas".

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168, 255 and 340.