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发明名称
摘要
申请公布号
JPS56117556(U)
申请公布日期
1981.09.08
申请号
JP19800015585U
申请日期
1980.02.08
申请人
发明人
分类号
H05K7/20;H01L23/40;(IPC1-7):H01L23/40
主分类号
H05K7/20
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