US PATENT SUBCLASS 84 / 644
.~.~.~ Constructional details

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
601  DF  .~.~ Data storage {6}
644.~.~.~ Constructional details

DEFINITION

Classification: 84/644

Constructional details:

(under subclass 601) Subject matter including mechanical features of the musical instrument.