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发明名称
摘要
申请公布号
JPH02122451(U)
申请公布日期
1990.10.08
申请号
JP19890031943U
申请日期
1989.03.20
申请人
发明人
分类号
H01L23/28;H01L23/50;(IPC1-7):H01L23/50
主分类号
H01L23/28
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代理人
主权项
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