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EP0957459A1
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Method and device for verifying ownership of articles
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IL93400D0
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Method and apparatus for producing a multilayer identification card and cards produced thereby
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CH678838A5
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Document security marking - has main portion resembling first or second pictures dependent on viewing angle
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AU8441982A
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Planar credit card
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CH655062A5
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Card made of thermoplastic and having visually perceivable security signs at least in the plan view
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CH650732A5
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Level card made of thermoplastic plastic with visually perceptable safety labels and method for the production thereof.
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CH645308A5
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Graphical arrangement on a substrate to identify copies thereof
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CH617889A5
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Graphic pattern applied to a substrate
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FI763190A
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Graphic model and foundation for foundation
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CH622740A5
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Printing carrier
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DE2603558A1
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GRAPHIC PATTERN
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