HIDING PRINTED MATTER AND METHOD FOR PRINTING HIDING PRINTED MATTER

PROBLEM TO BE SOLVED: To provide a hiding printed matter capable of easily confirming hiding contents, and capable of repeated use since hiding contents are reversibly disappeared, and a method for printing a hiding printed matter.SOLUTION: Provided is a hiding printed matter having a hydrophilic ba...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RYU JEONG YONG, LEE JAE HOON, LEE MYOUNG KU, KWON HYEOK JUN, CHO HAN JE, KIM CHANG GEUN, LEE KWANG SEOB
Format: Patent
Sprache:eng ; jpn
Schlagworte:
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