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发明名称
Electrical rectifier construction
摘要
申请公布号
US2490435(A)
申请公布日期
1949.12.06
申请号
US19480043723
申请日期
1948.08.11
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
HEDDING LINNIE K.
分类号
H01L25/07
主分类号
H01L25/07
代理机构
代理人
主权项
地址
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