US PATENT SUBCLASS 84 / *
.~.~.~.~ Couplers
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}
*
.~.~.~.~ Couplers {2}
340
DF
.~.~.~.~.~
> Pneumatic
341
DF
.~.~.~.~.~
> Electric