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发明名称
Electric current rectifier
摘要
申请公布号
US1989464(A)
申请公布日期
1935.01.29
申请号
US19320617960
申请日期
1932.06.18
申请人
RUBEN RECTIFIER CORPORATION
发明人
RUBEN SAMUEL
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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