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发明名称
CHARGED PARTICLE BEAM DEVICE
摘要
申请公布号
JPH02220343(A)
申请公布日期
1990.09.03
申请号
JP19890041268
申请日期
1989.02.21
申请人
NIKON CORP
发明人
SATO YUTAKA
分类号
H01J37/20;H01J37/22
主分类号
H01J37/20
代理机构
代理人
主权项
地址
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