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US4704937A
|
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Pipe organ valve
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US4615254A
|
|
Organ drawknob
|
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US4651615A
|
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Electric valve for pipe organs
|
|
US4457296A
|
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Heating model
|
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US4278004A
|
|
Pedalboard
|
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US4151774A
|
|
Organ pedal board
|
|
US4159872A
|
|
Optical distortion device
|
|
US4111551A
|
|
Photographic distortion apparatus
|
|
US3967522A
|
|
Valve for pipe organs
|
|
US3967898A
|
|
Optical distortion device
|
|
US3605546A
|
|
Roller valve device
|
|
US3599525A
|
|
Pneumatic crossbar device
|
|
US3614287A
|
|
Multiplexing arrangement for electronic organs
|
|
US3349660A
|
|
Pneumatically operated control means
|
|
US3270609A
|
|
String actuated combination action
|
|
US3425010A
|
|
Self-contained setter board
|
|
US3295402A
|
|
Pedal board for organs
|
|
US3306152A
|
|
Keyboard
|
|
US3175447A
|
|
Pedal board for organs
|
|
US3175451A
|
|
Double touch key for musical instruments
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