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ISAMI TAKAHASHI
Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd.
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EIJI KOBAYASHI
Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd.
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Kozo ASANO
Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd.
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MAYUMI YOSHIDA
Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd.
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HIROFUMI NAKANO
Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd.