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发明名称
摘要
申请公布号
JPH02142545(U)
申请公布日期
1990.12.04
申请号
JP19890052341U
申请日期
1989.05.02
申请人
发明人
分类号
H01L23/50;(IPC1-7):H01L23/50
主分类号
H01L23/50
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代理人
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