US PATENT SUBCLASS 84 / 172
.~.~ Piano and organ

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
170  DF  .~ Combined {2}
172.~.~ Piano and organ

DEFINITION

Classification: 84/172

Combination of a piano and reed (or pipe) organ, often with means for disconnecting one set of sounders from the keys.