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2018
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Invention
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Guitar string and manufacturing method therefor. The present invention relates to a guitar string... |
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2017
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Invention
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Sound correction device for wind instrument. The present invention relates to a sound correction ... |
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Invention
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Piano soundproofing apparatus. The present invention relates to a soundproofing apparatus to be a... |
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Invention
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Thumb rest protector. The present invention relates to a thumb rest protector. The present invent... |
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2016
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Invention
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Chin rest for violin/viola. The present invention relates to a chin rest for a violin/viola, whic... |
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Invention
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Shoulder rest for violin/viola. The present invention relates to an easily attachable/detachable ... |
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Invention
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Key cap for flute.
The present invention relates to a flute key cap with an auxiliary key piece ... |
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Invention
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Flute key cap. The present invention relates to a flute key cap having an auxiliary key piece to ... |
