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Kazuo YAMANAKA
Central Research Laboratories, Sumitomo Metal Industries, Ltd.
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Fukunaga TERASAKI
Central Research Laboratories, Sumitomo Metal Industries, Ltd.
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Hiroo OHTANI
Central Research Laboratories, Sumitomo Metal Industries, Ltd.
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Mitsuo ODA
Central Research Laboratories, Sumitomo Metal Industries, Ltd.
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Masahiro YOSHIHARA
Central Research Laboratories, Sumitomo Metal Industries, Ltd.