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发明名称
Embedded watermark
摘要
An anti-counterfeit image feature for laminated plastic cards used for identification and transaction having the appearance of a watermark.
申请公布号
US2007026204(A1)
申请公布日期
2007.02.01
申请号
US20050193230
申请日期
2005.07.28
申请人
CAULLEY MICHAEL PATRICK;LUONG PHIEU
发明人
CAULLEY MICHAEL PATRICK;LUONG PHIEU
分类号
G03G7/00
主分类号
G03G7/00
代理机构
代理人
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