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Electromagnetic actuator
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Patent number 4,859,975
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Issue date Aug 22, 1989
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Mitsubishi Mining & Cement Co.
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Tokio Uetsuhara
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H01 - BASIC ELECTRIC ELEMENTS
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Step motor
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Patent number 4,857,782
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Issue date Aug 15, 1989
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Mitsubishi Mining and Cement Co. Ltd.
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Uetsuhara Tokio
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electromagnetic actuator
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Patent number 4,752,757
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Issue date Jun 21, 1988
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Mitsubishi Co., Ltd.
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Tokio Uetsuhara
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H01 - BASIC ELECTRIC ELEMENTS
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Electromagnetic actuator
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Patent number 4,746,886
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Issue date May 24, 1988
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Mitsubishi Mining and Cement Co. Ltd.
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Tokio Uetsuhara
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H01 - BASIC ELECTRIC ELEMENTS