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发明名称
摘要
申请公布号
NL6813795(A)
申请公布日期
1969.04.01
申请号
NL19680013795
申请日期
1968.09.26
申请人
发明人
分类号
H01J37/30;H01J37/302;H01J37/317;H01L21/00;(IPC1-7):H01L19/00;H01L7/64;H01L7/54
主分类号
H01J37/30
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代理人
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地址
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