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Shun-ichi Morita
Technical Dept., Toyo Kohan Co., Ltd.
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Hiroyuki Iwashita
Technical Research Laboratory, Toyo Kohan Co., Ltd.
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Yoshiyuki Sugimoto
Kudamatsu Plant, Toyo Kohan Co., Ltd.
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Nobuyoshi Shimizu
Kudamatsu Plant, Toyo Kohan Co., Ltd.
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Norimasa Maida
Technical Research Laboratory, Toyo Kohan Co., Ltd.