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发明名称
ELECTRON MICROSCOPE
摘要
申请公布号
JPH06139988(A)
申请公布日期
1994.05.20
申请号
JP19920285675
申请日期
1992.10.23
申请人
HITACHI LTD;HITACHI INSTR ENG CO LTD
发明人
UEKI YASUMITSU
分类号
H01J37/22;H01J37/244;H01J37/26;(IPC1-7):H01J37/22
主分类号
H01J37/22
代理机构
代理人
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