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发明名称
Earth leakage indicator
摘要
申请公布号
GB725141(A)
申请公布日期
1955.03.02
申请号
GB19520005699
申请日期
1952.03.04
申请人
ROBERT EDWIN APPS
发明人
分类号
G01R27/18
主分类号
G01R27/18
代理机构
代理人
主权项
地址
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