MULTILAYER PROTECTIVE OPTICAL DIFFRACTION-POLARIZATION DEVICE, A METHOD FOR MANUFACTURING THE SPECIFIED DEVICE, A PROTECTED PRODUCT CONTAINING THE SPECIFIED MULTILAYER PROTECTIVE OPTICAL DIFFRACTION-POLARIZATION DEVICE

FIELD: counterfeit protection.SUBSTANCE: invention relates to the field of protection against counterfeiting valuable documents and concerns a multilayer protective optical diffraction-polarization device. The protective device contains two information-bearing elements. The first element is made in...

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Bibliographische Detailangaben
1. Verfasser:	KOZENKOV Vladimir Markovich
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING
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