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发明名称
Electromagnetic switch
摘要
申请公布号
US2224417(A)
申请公布日期
1940.12.10
申请号
US19370132520
申请日期
1937.03.23
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
WELLS WESLEY B.;LOCKHART WILLIAM K.
分类号
B61L5/18
主分类号
B61L5/18
代理机构
代理人
主权项
地址
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