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发明名称
摘要
申请公布号
FR2108669(A5)
申请公布日期
1972.05.19
申请号
FR19710034942
申请日期
1971.09.28
申请人
SIEMENS AG
发明人
分类号
H04M3/56;(IPC1-7):H04J3/00;H04M3/00
主分类号
H04M3/56
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