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经营范围
发明名称
Television transmitting tube
摘要
申请公布号
US2156391(A)
申请公布日期
1939.05.02
申请号
US19360118482
申请日期
1936.12.31
申请人
RADIO CORPORATION OF AMERICA
发明人
HICKOK WILLARD
分类号
H01J29/43
主分类号
H01J29/43
代理机构
代理人
主权项
地址
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