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发明名称
Electron microscope
摘要
申请公布号
US2392243(A)
申请公布日期
1946.01.01
申请号
US19420447755
申请日期
1942.06.20
申请人
RADIO CORPORATION
发明人
HILLIER JAMES
分类号
H01J37/04
主分类号
H01J37/04
代理机构
代理人
主权项
地址
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