Printing of lottery tickets

When printing a row of lottery tickets each ticket has variable image constituting game data printed onto a base layer on a substrate and a series of covering layers including at least one sealing layer and at least one scratch-off layer. Onto the scratch-off layer is printed a multi-colour digital...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: DION GROTKOWSKI, ANDREW WOJTOWICZ, MICHAEL JOHN BRICKWOOD
Format: Patent
Sprache:eng
Schlagworte:
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