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Bleach bath
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Patent number 6,824,965
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Issue date Nov 30, 2004
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Agfa-Gevaert
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Ralf Wichmann
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Bleach-fixers with excess sulphite
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Patent number 5,354,647
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Issue date Oct 11, 1994
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Eastman Kodak Company
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John R. Fyson
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Bleaching bath
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Patent number 5,238,791
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Issue date Aug 24, 1993
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Agfa-Gevaert Aktiengesellschaft
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Gustav Tappe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Method of preparing a hologram
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Patent number 4,826,745
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Issue date May 2, 1989
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Ciba-Geigy AG
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Trevor Groves
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY