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AU5764796A
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Security label
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WO9637870A1
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Security label
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ES2113311A1
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Security paper for volumetric detection of presence.
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ES2110364A1
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Procedure and device for the validation of entries of shows.
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ES2105976A1
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Procedure to detect failure and / or misadjustment of the impression in value and similar documents.
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ES2109163A1
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Securization procedure of printed products and security elements obtained with such procedure.
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ES2102317A2
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Intelligent card for use in telephony and similar.
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EP0666182A1
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A process for obtaining security paper
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EP0650853A1
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Process for obtaining double picture prints on hard surfaces
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ES2076105A2
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Detector of presence of amorphous materials in documents
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ES2070760A1
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Authentication procedure for security documents.
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ES2075787A2
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Improvements introduced in the procedures for obtaining security paper, especially currency paper.
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ES2064238A2
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Procedure for obtaining security paper.
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ES2059265A2
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Procedure for obtaining a security role.
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US5254220A
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Process for positioning rigid segments into a continuous paper web
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ES2042423A1
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Procedure for obtaining double image engravings on rigid surfaces.
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ES2060488A2
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Installation for the manufacture of safety documents and safety documents obtained with such installation.
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ES2065201A2
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Magnetic marking procedure for documents and values such as currency paper.
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ES2059222A1
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Improvements introduced in original recording reproduction systems.
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ES2049562A2
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Procedure for the manufacture of a security document.
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