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发明名称
摘要
申请公布号
JPS5274764(U)
申请公布日期
1977.06.03
申请号
JP19750162680U
申请日期
1975.12.01
申请人
发明人
分类号
H01L31/12;(IPC1-7):H01L31/12
主分类号
H01L31/12
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