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发明名称
摘要
申请公布号
GB1225637(A)
申请公布日期
1971.03.17
申请号
GBD1225637
申请日期
1968.05.28
申请人
发明人
分类号
G01T3/08;H01L29/00
主分类号
G01T3/08
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