US PATENT SUBCLASS 84 / 71-- .~.~.~.~.~.~ In grands

US PATENT SUBCLASS 84 / 71
.~.~.~.~.~.~ In grands

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}
70	DF	.~.~.~.~.~ Wind-supply devices {3}
71		.~.~.~.~.~.~ In grands

DEFINITION

Classification: 84/71

The construction is specially fitted for grand pianos.