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Electrolytic capacitor
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Patent number 4,769,742
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Issue date Sep 6, 1988
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Ube Industries, Ltd.
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Kohei Nakajima
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H01 - BASIC ELECTRIC ELEMENTS
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Transparent aromatic polyimide
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Patent number 4,696,994
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Issue date Sep 29, 1987
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UBE Industries, Ltd.
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Kohei Nakajima
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Method of producing 1,2-polybutadiene
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Patent number 4,153,767
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Issue date May 8, 1979
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Ube Industries Limited
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Haruo Ueno
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...