| 摘要 |
PROBLEM TO BE SOLVED: To provide a hiding postcard which is easily opened without generating a break when the hiding postcard is opened by peeling off a hiding paper piece of a sent hiding postcard from a postcard main piece. SOLUTION: The postcard main body is connected to the hiding paper piece via a folding line provided at almost center of a base paper. A release agent layer is provided on a surface being inside by being folded double with the folding line on the hiding paper piece. In the hiding postcard provided by successively superposing a transparent sheet having a transparent pressure sensitive adhesive layer and a release paper via the adhesive layer, the release agent layers are provided in an upper end part and a lower end part of the hiding paper piece laminated in two layers. COPYRIGHT: (C)2007,JPO&INPIT
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