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发明名称
Optical anti-counterfeit system
摘要
申请公布号
GB0320812(D0)
申请公布日期
2003.10.08
申请号
GB20030020812
申请日期
2003.09.05
申请人
SENTEC LTD
发明人
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主分类号
代理机构
代理人
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