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发明名称
MEANS FOR GROUND FAULT DETECTION,METERING AND CONTROL OF ALTERNATING CURRENT ELECTRICAL SYSTEMS
摘要
申请公布号
US3514694(A)
申请公布日期
1970.05.26
申请号
USD3514694
申请日期
1968.01.09
申请人
ROBERT W. BEACHLEY
发明人
ROBERT W. BEACHLEY
分类号
G01R27/18;(IPC1-7):G01R31/02
主分类号
G01R27/18
代理机构
代理人
主权项
地址
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