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Manufacturing method of impeller
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Patent number 8,435,005
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Issue date May 7, 2013
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Mitsubishi Heavy Industries, Ltd.
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Yujiro Watanabe
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Crane apparatus
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Patent number 6,382,437
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Issue date May 7, 2002
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Mitsubishi Heavy Industries, Ltd.
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Takashi Okada
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B66 - HOISTING LIFTING HAULING
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Crane apparatus
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Patent number 6,345,724
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Issue date Feb 12, 2002
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Mitsubishi Heavy Industries, Ltd.
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Masanori Masumoto
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B66 - HOISTING LIFTING HAULING
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Crane apparatus
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Patent number 6,343,702
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Issue date Feb 5, 2002
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Mitsubishi Heavy Industries, Ltd.
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Masanori Masumoto
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B66 - HOISTING LIFTING HAULING
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Method of forming hollow parts
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Patent number 4,722,211
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Issue date Feb 2, 1988
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Mitsubishi Jukogyo Kabushiki Kaisha
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Hidehiko Tsukamoto
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...