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Timer switch
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Patent number 4,415,785
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Issue date Nov 15, 1983
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Kabushiki Kaisha Higashifuji Seisakusho
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Kuniaki Uno
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H01 - BASIC ELECTRIC ELEMENTS
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Synchronous motor
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Patent number 4,410,818
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Issue date Oct 18, 1983
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Mitsubishi Mallory Metallurgical Co., Ltd.
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Hiroshi Omata
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Timer switch
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Patent number 4,406,953
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Issue date Sep 27, 1983
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Kabushiki Kaisha Higashifuji Seisakusho
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Toshio Tanaka
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H01 - BASIC ELECTRIC ELEMENTS