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发明名称
摘要
申请公布号
FR2025022(A1)
申请公布日期
1970.09.04
申请号
FR19690041417
申请日期
1969.12.01
申请人
SIEMENS AG
发明人
分类号
H04M3/00;H04Q3/545;(IPC1-7):H04Q3/00
主分类号
H04M3/00
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代理人
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