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发明名称
摘要
申请公布号
FR2080273(A5)
申请公布日期
1971.11.12
申请号
FR19700007283
申请日期
1970.02.27
申请人
MINNESOTA MINING
发明人
分类号
C01B19/00;H01L35/16;(IPC1-7):H01V1/00;C22C31/00
主分类号
C01B19/00
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