DOCUMENT PROTECTED FROM COUNTERFEIT

FIELD: manufacture of articles protected from counterfeit. SUBSTANCE: protective member has at least one machine-perceptible magnetic layer and at least one additional layer partially transparent in visible spectral region. Additional layer is arranged above magnetic layer so as to overlap it. Prote...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHMITTS KRISTIAN, BURKHARD TEO
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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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