| 摘要 |
PROBLEM TO BE SOLVED: To provide an information hiding sheet capable of obtaining a duplicate without a complicated operation. SOLUTION: The problem is solved by the information hiding sheet in which a duplicating sheet 2 being an upper paper and a base sheet 1 being a lower paper are laminated and arranged so that a hiding information entering part 30 and a duplicate entering part 30 are overlapped, and are stuck together so as to be releasable with a pressure-sensitive adhesive part 20 and a releasing processing part 21. COPYRIGHT: (C)2008,JPO&INPIT
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