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Pushbutton tuner
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Patent number 4,478,098
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Issue date Oct 23, 1984
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Clarion Co., Ltd.
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Yasuhisa Nishikawa
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H03 - BASIC ELECTRONIC CIRCUITRY
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Pushbutton
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Patent number 4,348,911
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Issue date Sep 14, 1982
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Clarion Co., Ltd.
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Yoshio Tanaka
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H03 - BASIC ELECTRONIC CIRCUITRY
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Pushbutton tuner
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Patent number 4,275,606
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Issue date Jun 30, 1981
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Clarion Co., Ltd.
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Yasuhisa Nishikawa
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H03 - BASIC ELECTRONIC CIRCUITRY