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发明名称
Electromagnetic control device
摘要
申请公布号
US2290632(A)
申请公布日期
1942.07.21
申请号
US19410398609
申请日期
1941.06.18
申请人
GENERAL ELECTRIC COMPANY
发明人
BUTLER WILLIAM LAWRENCE
分类号
H01H50/54
主分类号
H01H50/54
代理机构
代理人
主权项
地址
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