signs in any format (square, rectangular, circular, vieleckig, with rounded corners, swinging), and any material (wood, metal, stone, leather, plasticaluminum, composites, plexiglas, etc.and with any anbringungsmu00f6glichkeiten accident (holes for a schraubenverbindung, them on the back, feet to perform of fixierbu00e4ndern belts or straps.studs, magnethalterung, einschubmu00f6glichkeiten etc.) characterized by the fact that a qr code or several qr codes are so printed that digital devices (smartphones, tablets, cameras, scanners, etc.read or deciphered or scanned.
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