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Electromagnetic switch
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Patent number 9,196,433
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Issue date Nov 24, 2015
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Mitsubishi Electric Corporation
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Takashi Inaguchi
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H01 - BASIC ELECTRIC ELEMENTS
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Tap changer
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Patent number 8,963,670
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Issue date Feb 24, 2015
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ABB Technology Ltd.
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Tommy Larsson
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H01 - BASIC ELECTRIC ELEMENTS
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Electromagnetic relay
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Patent number 8,922,307
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Issue date Dec 30, 2014
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Omron Corporation
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Koji Fujimoto
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H01 - BASIC ELECTRIC ELEMENTS
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Line conductor gasket
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Patent number 5,206,614
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Issue date Apr 27, 1993
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Westinghouse Electric Corp.
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Arthur D. Carothers
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H01 - BASIC ELECTRIC ELEMENTS
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Disconnect contact assembly
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Patent number 4,476,361
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Issue date Oct 9, 1984
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Tokyo Shibaura Denki Kabushiki Kaisha
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Nobuo Masaki
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power breaker apparatus
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Patent number 4,272,750
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Issue date Jun 9, 1981
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Mitsubishi Denki Kabushiki Kaisha
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Shigenori Hotta
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3887779
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Patent number 3,887,779
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Issue date Jun 3, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3833783
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Patent number 3,833,783
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Issue date Sep 3, 1974
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H01 - BASIC ELECTRIC ELEMENTS