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发明名称
Cathode-ray tube
摘要
申请公布号
US2634380(A)
申请公布日期
1953.04.07
申请号
US19500196125
申请日期
1950.11.17
申请人
RADIO CORPORATION OF AMERICA
发明人
FRIEND ALBERT W.
分类号
H04N9/26
主分类号
H04N9/26
代理机构
代理人
主权项
地址
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