US PATENT SUBCLASS 84 / 342
.~.~.~.~ Key valves
Current as of: June, 1999
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| 84 / | HD | MUSIC |
|
| 1 | DF | INSTRUMENTS {9} |
| 330 | DF | .~ Wind {5} |
| 331 | DF | .~.~ Pipe organs {4} |
| 332 | DF | .~.~.~ Actions {8} |
| 342 |  | .~.~.~.~ Key valves |
DEFINITION
Classification: 84/342
Details of the pallet or other key-operated valve.
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