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Kazuo MIYAGAWA
Senior Research Engineer, Research Laboratory, Hirohata Works, Fuji Iron & Steel Co., Ltd.
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Isamu MISHIMA
Technical Department, Hirohata Works, Fuji Iron & Steel Co., Ltd.
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Tadao TAKEDA
Technical Department, Hirohata Works, Fuji Iron & Steel Co., Ltd.
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Yoshinori TANABIKI
Technical Department, Hirohata Works, Fuji Iron & Steel Co., Ltd.