发明名称 FAULT SPOT DETECTING METHOD OF POWER CABLE
摘要 <p>PURPOSE:To effect easily and surely the detection of fault spot by connecting DC power supply unit for cancelling the stray current due to a local battery in the fault spot in parallel with an amper meter.</p>
申请公布号 JPS5344893(A) 申请公布日期 1978.04.22
申请号 JP19760120729 申请日期 1976.10.06
申请人 SUMITOMO ELECTRIC INDUSTRIES 发明人 NAKAYAMA TADAHARU
分类号 G01R31/08;H02G1/06 主分类号 G01R31/08
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