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发明名称
Installation de télécommunication à plusieurs canaux
摘要
申请公布号
FR1055668(A)
申请公布日期
1954.02.22
申请号
FRD1055668
申请日期
1952.05.10
申请人
SIEMENS & HALSKE A. G.
发明人
分类号
H04B7/155
主分类号
H04B7/155
代理机构
代理人
主权项
地址
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