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发明名称
Umschalteinrichtung fuer eine aus einem Hauptverstaerker und einem gleichartigen Reserveverstaerker bestehende Verstaerkeranlage
摘要
申请公布号
DE1921194(A1)
申请公布日期
1970.11.05
申请号
DE19691921194
申请日期
1969.04.25
申请人
SIEMENS AG
发明人
SEDDICK,CARLHEINZ
分类号
H03F1/52;H03F1/54
主分类号
H03F1/52
代理机构
代理人
主权项
地址
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