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经营范围
发明名称
Earth leakage protection arrangement
摘要
申请公布号
GB2077532(A)
申请公布日期
1981.12.16
申请号
GB19810015885
申请日期
1981.05.22
申请人
GEC GB
发明人
分类号
H02H3/33;(IPC1-7):H02H3/34
主分类号
H02H3/33
代理机构
代理人
主权项
地址
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