US PATENT SUBCLASS 84 / 57
.~.~.~.~.~.~ Tubes and junctions

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
24  DF  .~.~.~.~ Pneumatic type {10}
50  DF  .~.~.~.~.~ Pneumatic construction {8}
57.~.~.~.~.~.~ Tubes and junctions

DEFINITION

Classification: 84/57

Patents involving the position or location of tubes from the tracker or other part and means for connecting tubes, as

junction plates or bars.