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经营范围
发明名称
TESTING DEVICE FOR PROTECTIVE RELAY
摘要
申请公布号
JPH05273279(A)
申请公布日期
1993.10.22
申请号
JP19920066699
申请日期
1992.03.25
申请人
发明人
分类号
G01R31/00;(IPC1-7):G01R31/00
主分类号
G01R31/00
代理机构
代理人
主权项
地址
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