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发明名称
摘要
申请公布号
JPS5226675(B2)
申请公布日期
1977.07.15
申请号
JP19720033746
申请日期
1972.04.04
申请人
发明人
分类号
H01L47/02;H01L21/331;H01L23/12;H01L23/48;H01L29/73;H01L29/861;H01L29/864;H01L29/93
主分类号
H01L47/02
代理机构
代理人
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地址
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