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发明名称
Double-loop four-pole directional element
摘要
申请公布号
US2380197(A)
申请公布日期
1945.07.10
申请号
US19430516238
申请日期
1943.12.30
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
SONNEMANN WILLIAM K.;MEHRING ARTHUR C.;GOLDSBOROUGH SHIRLEY L.
分类号
H01H53/015
主分类号
H01H53/015
代理机构
代理人
主权项
地址
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