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发明名称
Gabelschaltung zur Verbindung einer Vierdraht-und einer Zweidrahtleitung
摘要
申请公布号
DE1903630(A1)
申请公布日期
1969.11.20
申请号
DE19691903630
申请日期
1969.01.24
申请人
RADIO CORP.OF AMERICA
发明人
FRAVIS RHYNE,ORVILLE
分类号
H04B3/03;H04B1/58
主分类号
H04B3/03
代理机构
代理人
主权项
地址
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