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发明名称
摘要
申请公布号
FR2089969(A5)
申请公布日期
1972.01.07
申请号
FR19710014082
申请日期
1971.04.21
申请人
SIEMENS AG
发明人
分类号
H04J3/18;H04Q11/06;(IPC1-7):H04J3/00;H04Q11/00
主分类号
H04J3/18
代理机构
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