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Seizō Teshima
Technical Research Institute of Yawata Works, Yawata Iron & Steel Co., Ltd.
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Kusuo Sakamoto
Tobata Works, Yawata Iron & Steel Co., Ltd.
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Kōe Nakajima
Technical Research Institute of Yawata Works, Yawata Iron & Steel Co., Ltd.
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Suemasa Yasuda
Technical Research Institute of Yawata Works, Yawata Iron & Steel Co., Ltd.