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发明名称
摘要
申请公布号
JPS5339750(B2)
申请公布日期
1978.10.23
申请号
JP19760132614
申请日期
1976.11.04
申请人
发明人
分类号
H01J37/09;G03F7/20;H01J37/28;H01J37/30;H01L21/027;H01L21/312
主分类号
H01J37/09
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