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发明名称
Electric fault alarm circuits
摘要
申请公布号
US2547011(A)
申请公布日期
1951.04.03
申请号
US19470747893
申请日期
1947.05.14
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
JACOBSEN BENT BULOW
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
主权项
地址
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