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Multilayered assay element
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Patent number 5,087,421
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Issue date Feb 11, 1992
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Konica Corporation
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Mikio Koyama
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G01 - MEASURING TESTING
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Silver halide photographic material
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Patent number 4,324,856
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Issue date Apr 13, 1982
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Konishiroku Photo Industry Co., Ltd.
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Satoshi Kawakatsu
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photographic material
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Patent number 4,297,441
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Issue date Oct 27, 1981
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Konishiroku Photo Industry Co., Ltd.
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Yutaka Kaneko
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C07 - ORGANIC CHEMISTRY
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