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经营范围
发明名称
Rectifier element
摘要
申请公布号
US1935383(A)
申请公布日期
1933.11.14
申请号
US19310510532
申请日期
1931.01.22
申请人
RADIO CORPORATION OF AMERICA
发明人
BALLANTINE STUART
分类号
H01L21/16
主分类号
H01L21/16
代理机构
代理人
主权项
地址
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