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发明名称
DIFFERENTIALSTROMAUSWERTEEINRICHTUNG ZUR ERDSCHLUSSUBERWACHUNG VON ZWEIADRIGEN, JE EINE SCHLEIFE BILDENDEN LEITUNGEN, INSBESONDERE FERNSPRECHLEITUNGEN
摘要
申请公布号
ATA151276(A)
申请公布日期
1977.11.15
申请号
AT19760001512
申请日期
1976.03.01
申请人
SIEMENS AKTIENGESELLSCHAFT OSTERREICH
发明人
FORMANEK KARL ING.
分类号
G01R19/10;G01R27/18;H02H3/16;(IPC1-7):H04M3/30;H02H3/26
主分类号
G01R19/10
代理机构
代理人
主权项
地址
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