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经营范围
发明名称
Electromagnetic lens
摘要
申请公布号
GB2238426(B)
申请公布日期
1994.04.13
申请号
GB19900024955
申请日期
1990.11.16
申请人
* JEOL LTD
发明人
SUSUMU * TAKASHIMA;KUNIHIKO * UCHIDA
分类号
H01J37/141;(IPC1-7):H01J37/141;H01J3/22
主分类号
H01J37/141
代理机构
代理人
主权项
地址
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