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TOHRU YASUZAWA
Tokyo Research Laboratories, Kyowa Hakko Kogyo, Co., Ltd.
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TAKAO IIDA
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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NORIAKI HIRAYAMA
Tokyo Research Laboratories, Kyowa Hakko Kogyo, Co., Ltd.
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MITSURU TAKAHASHI
Tokyo Research Laboratories, Kyowa Hakko Kogyo, Co., Ltd.
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KUNIKATSU SHIRAHATA
Tokyo Research Laboratories, Kyowa Hakko Kogyo, Co., Ltd.
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HIROSHI SANO