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发明名称
Electromagnetic device
摘要
申请公布号
US1763008(A)
申请公布日期
1930.06.10
申请号
US19290333644
申请日期
1929.01.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PRIESSMAN NEIL Y.
分类号
H01H50/24
主分类号
H01H50/24
代理机构
代理人
主权项
地址
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