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Contactor
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Patent number 6,700,466
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Issue date Mar 2, 2004
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Matsushita Electric Works, Ltd.
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Ritsu Yamamoto
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H01 - BASIC ELECTRIC ELEMENTS
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Single pole relay switch
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Patent number 6,075,429
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Issue date Jun 13, 2000
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Matsushita Electric Works, Ltd.
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Riichi Uotome
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H01 - BASIC ELECTRIC ELEMENTS
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-
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Sealed contact device
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Patent number 4,866,227
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Issue date Sep 12, 1989
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Matsushita Electric Works, Ltd.
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Takehiko Toguchi
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H01 - BASIC ELECTRIC ELEMENTS