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发明名称
摘要
申请公布号
JP2525853(Y2)
申请公布日期
1997.02.12
申请号
JP19900064358U
申请日期
1990.06.18
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发明人
分类号
H01L23/50;(IPC1-7):H01L23/50
主分类号
H01L23/50
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