THREAD-INSERTED PAPER HAVING PROPER PAPER CROSSSECTIONAL SHAPE AND METHOD FOR AUTHENTICITY DISCRIMINATION OF THE THREAD-INSERTED PAPER

PROBLEM TO BE SOLVED: To rapidly and surely discriminate authenticity of thread inserted paper by utilizing remarkable difference of physical shape of paper cross section. SOLUTION: The method for discriminating authenticity of paper by taking advantage of remarkable difference of crosssectional str...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	NAGAI SHIGEKI
Format:	Patent
Sprache:	eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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