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发明名称
Correction for spherical and chromatic aberrations in electron lens
摘要
申请公布号
US2444710(A)
申请公布日期
1948.07.06
申请号
US19450618970
申请日期
1945.09.27
申请人
RADIO CORPORATION
发明人
RAMBERG EDWARD G.
分类号
H01J37/153
主分类号
H01J37/153
代理机构
代理人
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地址
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