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*T. Ikemoto
Tokyo research Laboratory, Mitsubishi Rayon Co. Ltd.
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K. Sakashita
Tokyo research Laboratory, Mitsubishi Rayon Co. Ltd.
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S. Hayashi
Tokyo research Laboratory, Mitsubishi Rayon Co. Ltd.
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Y. Kageyama
Tokyo research Laboratory, Mitsubishi Rayon Co. Ltd.
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[in Japanese]
Tokyo research Laboratory, Mitsubishi Rayon Co. Ltd.
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K. Mori
Department of Agricultural Chemistry, Tokyo University