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经营范围
发明名称
Cathode assembly
摘要
申请公布号
US2914694(A)
申请公布日期
1959.11.24
申请号
US19570688166
申请日期
1957.10.04
申请人
RADIO CORPORATION OF AMERICA
发明人
CHIN TE NING
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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