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发明名称
摘要
申请公布号
FR2085347(A6)
申请公布日期
1971.12.24
申请号
FR19700013149
申请日期
1970.04.10
申请人
SCHIMMERLING MICHEL
发明人
分类号
G06K21/02;(IPC1-7):B42F17/00;B42F19/00;G06K1/00
主分类号
G06K21/02
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