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Shuuichi Nakazato
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Utsunomiya, JP
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Patent Grant
Saponified polyvinyl acetate derivatives which are photosensitive r...
Patent number
4,891,300
Issue date
Jan 2, 1990
Director-General of Agency of Industrial Science & Technology Ministry of Int...
Kunihiro Ichimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY