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发明名称
Dispositif de couplage pour agir sur le cours de la fréquence d'amplificateurs de capacité et résistance
摘要
申请公布号
FR713794(A)
申请公布日期
1931.11.12
申请号
FRD713794
申请日期
1931.03.24
申请人
SIEMENS & HALSKE AKTIEN-GESELLSCHAFT
发明人
分类号
H03F1/08;H03F3/02
主分类号
H03F1/08
代理机构
代理人
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地址
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