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GB351910A
|
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Synchronizing device for musical instruments or other apparatus
|
|
US1758776A
|
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Synchronizing device for musical instruments or other apparatus
|
|
GB284283A
|
|
Synchronizing device for musical instruments or other apparatus
|
|
GB259566A
|
|
Improvements in apparatus for automatic playing of the violin or other stringed musical instrument played with a bow
|
|
GB276323A
|
|
Improvements in valves employed for the operation of pneumatic musical instruments
|
|
US1603658A
|
|
Apparatus for the automatic playing of violins or other stringed musical instruments played with bows
|
|
GB200505A
|
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Apparatus for the automatic playing of violins or other stringed musical instruments played with bows
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