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发明名称
System and method for embedding dispersed miniature security marks
摘要
申请公布号
EP1950947(B1)
申请公布日期
2012.04.18
申请号
EP20080150450
申请日期
2008.01.21
申请人
XEROX CORPORATION
发明人
FAN, ZHIGANG
分类号
H04N1/32;G06T1/00
主分类号
H04N1/32
代理机构
代理人
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地址
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