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经营范围
发明名称
Electron beam tube
摘要
申请公布号
US2945153(A)
申请公布日期
1960.07.12
申请号
US19560607362
申请日期
1956.08.31
申请人
RADIO CORPORATION OF AMERICA
发明人
CHANG KERN K. N.
分类号
H01J23/087
主分类号
H01J23/087
代理机构
代理人
主权项
地址
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