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发明名称
摘要
申请公布号
JP2740050(B2)
申请公布日期
1998.04.15
申请号
JP19910052973
申请日期
1991.03.19
申请人
发明人
分类号
H01L21/3205;H01L21/288;H01L21/74;H01L21/768;H01L23/52;(IPC1-7):H01L21/320
主分类号
H01L21/3205
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