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发明名称
摘要
The invention relates to an object of value with a security element having at least a first and a second liquid-crystalline material, the first material having thermochromic properties and the second material an optically variable effect.
申请公布号
JP2005538878(A)
申请公布日期
2005.12.22
申请号
JP20040538950
申请日期
2003.09.18
申请人
发明人
分类号
B42D15/10;B42D15/00
主分类号
B42D15/10
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