US PATENT SUBCLASS 84 / 155-- .~.~.~.~.~.~ With slide valves

US PATENT SUBCLASS 84 / 155
.~.~.~.~.~.~ With slide valves

Current as of: June, 1999
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84 /	HD	MUSIC

1	DF	INSTRUMENTS {9}
*	DD	.~ Automatic {13}
115	DF	.~.~ Selectors {8}
151	DF	.~.~.~ Trackers {6}
152	DF	.~.~.~.~ Double scale {1}
153	DF	.~.~.~.~.~ Trackers rigidly connected {2}
155		.~.~.~.~.~.~ With slide valves

DEFINITION

Classification: 84/155

Slide-valves determine which row shall be used.