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发明名称
摘要
申请公布号
FR2080612(A1)
申请公布日期
1971.11.19
申请号
FR19710005310
申请日期
1971.02.17
申请人
SIEMENS AG
发明人
分类号
G03F7/004;G03F7/033;H01L21/225;H01L21/316;H01L23/29;(IPC1-7):01L7/00
主分类号
G03F7/004
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