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IL22776A
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Device for wiping engraved copperplates for monochrome or polychrome printing
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DE1018884B
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Multicolor gravure printing
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GB751358A
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A process and apparatus for printing a design in colour multiples on agents such as currency paper
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DE848829C
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Method and device for color printing on paper, fabric and other fields of application
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US2604710A
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Authenticating means for documents
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GB615666A
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Transfer method for the application of an authenticating seal to documents and other appropriate articles
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GB610943A
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Improvements in or relating to colour printing on paper, fabric and the like
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US2246872A
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Method and apparatus for manufacturing thin gelatinous coatings
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US2143617A
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Roller for use in printing
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US2043604A
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Method of preparing wiping rollers for printing
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DE545610C
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Process for producing multicolor prints using a single printing form
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DE538552C
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Process for producing multicolor prints using a single printing form
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CA759249A
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Wiping device for intaglio printing surfaces
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CA669655A
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Multicoloured printing of fiduciary articles
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CA473322A
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Processes and apparatus for colour printing
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CA372344A
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Printing mechanism
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CA499224A
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Process and device for the authentification by printing of official documents
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