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发明名称
Electromagnet and controlling circuits therefor
摘要
申请公布号
US2112542(A)
申请公布日期
1938.03.29
申请号
US19360059513
申请日期
1936.01.17
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MYERS OSCAR
分类号
H01H47/00
主分类号
H01H47/00
代理机构
代理人
主权项
地址
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