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Electronic musical instrument
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Patent number 4,633,748
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Issue date Jan 6, 1987
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Casio Computer Co., Ltd.
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Susumu Takashima
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Auto-playing apparatus
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Patent number 4,624,171
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Issue date Nov 25, 1986
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Casio Computer Co., Ltd.
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Keiji Yuzawa
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Musical performance unit
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Patent number 4,546,687
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Issue date Oct 15, 1985
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Eiji Minami
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3913443
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Patent number 3,913,443
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Issue date Oct 21, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3905267
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Patent number 3,905,267
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Issue date Sep 16, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3895554
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Patent number 3,895,554
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Issue date Jul 22, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3865002
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Patent number 3,865,002
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Issue date Feb 11, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS