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High voltage electrical cables
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Patent number 4,160,119
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Issue date Jul 3, 1979
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Kabel-und Metallwerke Gutehoffnungshuette AG
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Jan Artbauer
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H01 - BASIC ELECTRIC ELEMENTS
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Gas insulated high voltage cable
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Patent number 4,101,728
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Issue date Jul 18, 1978
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Kabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft
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Jan Artbauer
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H01 - BASIC ELECTRIC ELEMENTS
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3739074
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Patent number 3,739,074
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Issue date Jun 12, 1973
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2141894
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Patent number 2,141,894
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Issue date Dec 27, 1938
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H01 - BASIC ELECTRIC ELEMENTS
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1856109
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Patent number 1,856,109
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Issue date May 3, 1932
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H01 - BASIC ELECTRIC ELEMENTS