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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2171970(A)
申请公布日期
1939.09.05
申请号
US19370119475
申请日期
1937.01.07
申请人
RADIO CORPORATION OF AMERICA
发明人
BRETT GEORGE FAIRBURN;BANKS GEORGE BALDWIN
分类号
H01J29/24
主分类号
H01J29/24
代理机构
代理人
主权项
地址
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