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2020
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G/S
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Violin bow hold teaching devices. |
|
2013
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G/S
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Bow hold teaching devices for musical instruments. Publications and printed matter for use in con... |
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2009
|
Invention
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Bow hold training device for violin and viola |
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|
Invention
|
Cello bow hold training device |
|
|
Invention
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Bow hold training device for pinky finger for violin and viola |
|
|
Invention
|
Bow hold training device. Training devices for facilitating proper bow holds on bow sticks of bow... |
|
|
Invention
|
Bow hold training device. Training devices for facilitating proper bow holds on bow sticks... |
|
2008
|
G/S
|
Violin bow hold teaching devices |