US PATENT SUBCLASS 84 / 170
.~ Combined

Current as of: June, 1999
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84 /   HD   MUSIC

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

DEFINITION

Classification: 84/170

Instruments having sounders belonging to two of the four groups, as a piano or organ with bell, bar, or drum attachment.