RETROREFLECTION SHEET

PROBLEM TO BE SOLVED: To provide a retroreflection sheet having a specular reflection layer, the sheet useful for prevention of forgery as the sheet can be visually checked when the retroreflection sheet is stripped from a substrate. SOLUTION: The retroreflection sheet having a specular reflection l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIMURA IKUO, TAKAYAMA KEIZO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEALS SIGNS
Online-Zugang:	Volltext bestellen
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