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发明名称
UN DISPOSITIVO SEMICONDUCTOR
摘要
申请公布号
ES197181(A1)
申请公布日期
1953.04.01
申请号
ES19810001971
申请日期
1951.03.29
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01L29/00;H03F1/30;(IPC1-7):H03F1/30
主分类号
H01L29/00
代理机构
代理人
主权项
地址
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