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发明名称
Dispositif d'identification de documents gravés.
摘要
申请公布号
BE597987(A1)
申请公布日期
1961.03.31
申请号
BE19600597987
申请日期
1960.12.09
申请人
PAUL JOSEPH SELGIN
发明人
PAUL JOSEPH SELGIN
分类号
(IPC1-7):B44F;G07D
主分类号
(IPC1-7):B44F
代理机构
代理人
主权项
地址
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