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发明名称
PHASE DEPLETION DETECTOR IN 33PHASE AC CURRENT
摘要
申请公布号
JPS53120154(A)
申请公布日期
1978.10.20
申请号
JP19770034556
申请日期
1977.03.30
申请人
HITACHI LTD
发明人
KOIZUMI TOORU
分类号
H02H3/34;H02H7/00
主分类号
H02H3/34
代理机构
代理人
主权项
地址
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