PRESSURE-SENSITIVE COPYING SHEET FOR ANTI-FALSIFICATION

PROBLEM TO BE SOLVED: To provide a pressure-sensitive copying sheet for anti-falsification using a back carbon which is contrived to prevent a dishonest act from being committed by easily seeing through a falsification. SOLUTION: In the pressure-sensitive copying sheet 4 for anti-falsification, one...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MINOWA TOSHIYUKI, OCHI YOSHINORI, ISEYA YUKIHIKO, TOMON EMIKO
Format: Patent
Sprache:eng
Schlagworte:
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