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发明名称
摘要
申请公布号
JPS5550398(B2)
申请公布日期
1980.12.17
申请号
JP19730081823
申请日期
1973.07.20
申请人
发明人
分类号
C04B35/46;C04B35/472;H01L41/187;H01L41/22;H03H3/02;H03H9/17
主分类号
C04B35/46
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