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发明名称
Paneel zum Ausgleich des Nebensprechens in symmetrischen Fernmeldeleitungen, insbesondere fuer Traegerfrequenzbetrieb im Bereich um 550 kHZ
摘要
申请公布号
DE1088564(B)
申请公布日期
1960.09.08
申请号
DE1956F020670
申请日期
1956.06.30
申请人
FELTEN & GUILLEAUME CARLSWERK AKTIENGESELLSCHAFT
发明人
FREYTAG DIPL.-ING. HEINZ
分类号
H04B3/34
主分类号
H04B3/34
代理机构
代理人
主权项
地址
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