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经营范围
发明名称
METHOD OF INSPECTING PROTECTION RELAY
摘要
申请公布号
JPS57129124(A)
申请公布日期
1982.08.11
申请号
JP19810012948
申请日期
1981.02.02
申请人
HITACHI SEISAKUSHO KK
发明人
AOKI YASUO;SANO KAZUO;KAWAMATA YASUO
分类号
G01R31/00;H02H3/05;H02H3/40
主分类号
G01R31/00
代理机构
代理人
主权项
地址
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