发明名称 CONCEALING SEAL AND SCRATCH MEDIUM
摘要 <p>PROBLEM TO BE SOLVED: To prevent the generation of 'shaving refuse' at the time of scratching. SOLUTION: A concealing layer main body, which can not be viewed in an ordinary and general state but contains a light reflecting substance transparentizing a layer irreversibly when a transparentizing means is added from the upper surface of a transparent film and a light absorbing substance having a light absorbing function, is formed on the undersurface of the transparent film to constitute a concealing seal.</p>
申请公布号 JP2002178675(A) 申请公布日期 2002.06.26
申请号 JP20000377830 申请日期 2000.12.12
申请人 TOKYO MAGNETIC PRINTING CO LTD 发明人 SHIBUYA KATSUHIRO
分类号 B42D15/10;(IPC1-7):B42D15/10 主分类号 B42D15/10
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