US3053181A
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Method for controlling print quality for lithographic presses
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US2949850A
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Spray dampening system for lithographic offset printing presses
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US2716380A
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Spray dampening system for lithographic offset printing presses
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US2728224A
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Tester for paper surfaces or the like
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US2599914A
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Etching process
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US2507956A
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Process of coating aluminum
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US2390944A
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Preparation of lithographic plates
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US2334405A
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Method of making deep-etched lithographic plates
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US2256449A
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Method of removing images from planographic plates
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US2232373A
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Integrating light meter apparatus
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US2101322A
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Method and apparatus for measuring properties of inks and the like
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US1992771A
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Method of preparing intaglio lithographic plates from original plates and transfers
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US1911239A
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Material for maintaining printing and lithographic plates and press parts
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US1984233A
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Hygroscope
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US1759956A
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Planographic printing surface
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US1677655A
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Dampening system for planographic presses
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