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发明名称
OPTICAL SAFETY ELEMENT AND SYSTEM FOR VISUALISING HIDDEN INFORMATION
摘要
申请公布号
EP1644871(B1)
申请公布日期
2012.04.11
申请号
EP20040739934
申请日期
2004.06.16
申请人
OVD KINEGRAM AG
发明人
SCHILLING, ANDREAS;TOMPKIN, WAYNE, ROBERT;STAUB, RENE
分类号
G06K19/06;B42D15/00;B42D15/10;B44F1/12;G02B;G02B5/18;G02B27/44
主分类号
G06K19/06
代理机构
代理人
主权项
地址
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