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发明名称
Ion trap electron gun
摘要
申请公布号
US2744208(A)
申请公布日期
1956.05.01
申请号
US19490130775
申请日期
1949.12.02
申请人
RADIO CORPORATION OF AMERICA
发明人
SWEDLUND LLOYD E.
分类号
H01J29/84
主分类号
H01J29/84
代理机构
代理人
主权项
地址
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