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发明名称
摘要
申请公布号
JPH0167743(U)
申请公布日期
1989.05.01
申请号
JP19870162769U
申请日期
1987.10.23
申请人
发明人
分类号
H01L23/50;H01L21/60
主分类号
H01L23/50
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