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发明名称
CHARGED BEAM DEPICTING DEVICE
摘要
申请公布号
JPS6476656(A)
申请公布日期
1989.03.22
申请号
JP19870231905
申请日期
1987.09.16
申请人
TOSHIBA CORP
发明人
NAKASUJI MAMORU
分类号
H01J37/147;H01L21/027;H01L21/30
主分类号
H01J37/147
代理机构
代理人
主权项
地址
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