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Hiroshi SHIINA
Central Research Laboratory, Ishihara Sangyo Co., Ltd.
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Ryuzo NISHIYAMA
Central Research Laboratory, Ishihara Sangyo Co., Ltd.
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Masayuki ICHIHASHI
Central Research Laboratory, Ishihara Sangyo Co., Ltd.
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Kan-ichi FUJIKAWA
Central Research Laboratory, Ishihara Sangyo Co., Ltd.