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发明名称
摘要
申请公布号
FR2236272(B1)
申请公布日期
1977.10.07
申请号
FR19740022745
申请日期
1974.06.28
申请人
SIEMENS AG
发明人
分类号
H01L23/40;(IPC1-7):01L23/34
主分类号
H01L23/40
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