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Kiyoji YOSHIKAWA
Research Institute for Polymers and Textiles Sawatari
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Yoshio SUDA
Research Institute for Polymers and Textiles Sawatari
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Tadashi SHIROTA
Research Institute for Polymers and Textiles Sawatari
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Akira YAHAGI
Dainichiseika Color & Chemicals Mfg. Co. Ltd.
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Yoshio ABE
Dainichiseika Color & Chemicals Mfg. Co. Ltd.