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发明名称
Electromagnetic device
摘要
申请公布号
US1938726(A)
申请公布日期
1933.12.12
申请号
US19320644225
申请日期
1932.11.25
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SLAUSON WILLIAM C.
分类号
H01H50/02
主分类号
H01H50/02
代理机构
代理人
主权项
地址
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