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Hot plate
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Patent number 4,955,361
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Issue date Sep 11, 1990
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The Furukawa Electric Co., Ltd.
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Junji Sotani
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Heat pipe heat exchanger
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Patent number 4,875,522
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Issue date Oct 24, 1989
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Furukawa Electric Co., Ltd.
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Hajime Noda
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F28 - HEAT EXCHANGE IN GENERAL
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Method of making heat transfer tube
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Patent number 4,873,127
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Issue date Oct 10, 1989
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The Fukura Electric Company, Ltd.
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Kagetoshi Onodera
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Separate type heat exchanger
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Patent number 4,745,965
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Issue date May 24, 1988
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Furukawa Electric Co., Ltd.
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Akiji Katsura
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F28 - HEAT EXCHANGE IN GENERAL