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发明名称
Circuits de couplage pour systèmes de transmission électriques
摘要
申请公布号
FR845376(A)
申请公布日期
1939.08.21
申请号
FRD845376
申请日期
1938.10.29
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H03F3/32;H03H11/32
主分类号
H03F3/32
代理机构
代理人
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