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经营范围
发明名称
ELECTRON MICROSCOPE
摘要
申请公布号
JPH03254055(A)
申请公布日期
1991.11.13
申请号
JP19900049304
申请日期
1990.03.02
申请人
HITACHI LTD
发明人
HOSOI NORIFUNE;MISAWA YUTAKA;KIMOTO KOJI
分类号
H01J37/20
主分类号
H01J37/20
代理机构
代理人
主权项
地址
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