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Kōzō Morinaga
Technical Control Dept., Hirohata Works, Fuji Iron & Steel Co., Ltd.
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Sōichi Izumi
Research Laboratory, Muroran Works, Fuji Iron & Steel Co., Ltd.
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Hiroshi Hirotani
Research Laboratory, Muroran Works, Fuji Iron & Steel Co., Ltd.
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Yukiyoshi Itoh
Research Laboratory, Muroran Works, Fuji Iron & Steel Co., Ltd.