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发明名称
Optical security device
摘要
申请公布号
GB0001919(D0)
申请公布日期
2000.03.22
申请号
GB20000001919
申请日期
2000.01.27
申请人
ROLIC AG
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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