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发明名称
Einrichtung zur Rueckmeldung bei Tonfrequenz-Rundsteuerungsanlagen fuer nicht starr geerdete Netze
摘要
申请公布号
DE1046150(B)
申请公布日期
1958.12.11
申请号
DE1954L017597
申请日期
1954.01.04
申请人
LICENTIA PATENT-VERWALTUNGS-G. M. B. H.
发明人
GREVEL DIPL.-ING. RUDOLF
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
主权项
地址
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