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Electronic musical instrument
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Patent number 4,210,053
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Issue date Jul 1, 1980
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Matsushita Electric Industrial Co., Ltd.
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Takeji Kimura
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Electronic musical instrument
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Patent number 4,201,106
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Issue date May 6, 1980
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Matsushita Electric Industrial Co., Ltd.
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Takeji Kimura
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Electronic music instrument
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Patent number 4,128,032
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Issue date Dec 5, 1978
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Matsushita Electric Industrial Co., Ltd.
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Ryoichi Wada
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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