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Akira Ohnuma
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Fuji, JP
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last 30 patents
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Patent Grant
Method for storing dry silver salt roll film for rotary type microp...
Patent number
4,893,148
Issue date
Jan 9, 1990
Asahi Kasei Kogyo Kabushiki Kaisha
Masahiko Sanada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY