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发明名称
摘要
申请公布号
FR2052782(A5)
申请公布日期
1971.04.09
申请号
FR19700022484
申请日期
1970.06.18
申请人
SIEMENS AG
发明人
分类号
G06K9/40;(IPC1-7):G06K9/00
主分类号
G06K9/40
代理机构
代理人
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