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Sheet film cassette
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Patent number 4,660,722
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Issue date Apr 28, 1987
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Map Mikrofilm Apparatebau
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Hermann Poehler
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G06 - COMPUTING CALCULATING COUNTING
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Film reader
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Patent number 4,402,583
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Issue date Sep 6, 1983
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Hermann Poehler
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Control panel for a microfiche reader
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Patent number 4,357,770
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Issue date Nov 9, 1982
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MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co. KG
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Hermann Poehler
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G06 - COMPUTING CALCULATING COUNTING
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Film reader
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Patent number 4,311,370
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Issue date Jan 19, 1982
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Hermann Poehler
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY