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Electric musical instrument
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Patent number 6,288,320
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Issue date Sep 11, 2001
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Yahama Corporation
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Kazuo Murakami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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-
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Automatic player piano
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Patent number 4,873,905
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Issue date Oct 17, 1989
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Yamaha Corporation
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Kazuo Murakami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Automatic music player system
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Patent number 4,843,936
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Issue date Jul 4, 1989
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Yamaha Corporation
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Kazuo Murakami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Automatic player piano
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Patent number 4,756,223
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Issue date Jul 12, 1988
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Yamaha Corporation
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Kazuo Murakami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Pickup mechanism
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Patent number 4,211,139
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Issue date Jul 8, 1980
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Nippon Gakki Seizo Kabushiki Kaisha
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Kazuo Murakami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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