FORGERY PREVENTIVE FILM
申请(专利)号:
JP20020204229
申请日期:
2002-07-12
公开/公告号:
JP2003094869A
公开/公告日期:
2003-04-03
申请(专利权)人:
YUPO CORP
摘要:
PROBLEM TO BE SOLVED: To provide a forgery preventive film impossible to recognize character information to be protected without releasing an information concealing layer. SOLUTION: The forgery preventive film comprises a shielding layer treated to prevent a forgery, and thermoplastic resin films adhered to both surfaces of the shielding layer.
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