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Key top
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Patent number 7,102,087
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Issue date Sep 5, 2006
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SMK Korea Co., LTD
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Gyu-chul Chun
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H01 - BASIC ELECTRIC ELEMENTS
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Key switch
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Patent number 6,706,985
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Issue date Mar 16, 2004
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SMK Korea Co., Ltd.
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Gyu Chul Chun
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H01 - BASIC ELECTRIC ELEMENTS
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Key switch
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Patent number 6,653,585
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Issue date Nov 25, 2003
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SMK Korea Co., Ltd.
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Gyu Chul Chun
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H01 - BASIC ELECTRIC ELEMENTS
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Key switch
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Patent number 6,444,933
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Issue date Sep 3, 2002
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SMK Korea Co., Ltd.
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Gyu Chul Chun
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H01 - BASIC ELECTRIC ELEMENTS