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Thermographic material
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Patent number 4,082,901
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Issue date Apr 4, 1978
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Agfa-Gevaert N.V.
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Urbain Leopold Laridon
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermographic recording process
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Patent number 3,996,397
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Issue date Dec 7, 1976
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Agfa-Gevaert N.V.
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Urbain Leopold Laridon
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Duplo quinoline compounds
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Patent number 3,979,394
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Issue date Sep 7, 1976
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Agfa-Gevaert N.V.
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Wilhelmus Janssens
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C07 - ORGANIC CHEMISTRY
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Development of electrostatic images
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Patent number 3,964,903
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Issue date Jun 22, 1976
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Agfa-Gevaert N.V.
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Jan Frans Van Besauw
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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