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发明名称
Method of forming a blocking layer on a selenium rectifier
摘要
申请公布号
US2872357(A)
申请公布日期
1959.02.03
申请号
US19520291769
申请日期
1952.06.04
申请人
FANSTEEL METALLURGICAL CORPORATION
发明人
FRY STANLEY S.
分类号
H01L21/105
主分类号
H01L21/105
代理机构
代理人
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