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Switchgear
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Issue date Jun 6, 2017
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Hitachi, Ltd.
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Hisashi Urasaki
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Switchgear
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Issue date Dec 13, 2016
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Hitachi, Ltd.
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Hajime Urai
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Circuit breaker
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Patent number 6,927,355
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Issue date Aug 9, 2005
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ABB AB
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Per Olof Thuresson
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H01 - BASIC ELECTRIC ELEMENTS
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Magnetic linear drive
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Patent number 6,888,269
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Issue date May 3, 2005
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Siemens Aktiengesellschaft
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Andreas Arndt
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H01 - BASIC ELECTRIC ELEMENTS
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3911240
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Patent number 3,911,240
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Issue date Oct 7, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3777292
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H01 - BASIC ELECTRIC ELEMENTS
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Issue date Dec 19, 1967
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H01 - BASIC ELECTRIC ELEMENTS