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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2203483(A)
申请公布日期
1940.06.04
申请号
US19370120706
申请日期
1937.01.15
申请人
RADIO CORPORATION
发明人
BANKS GEORGE BALDWIN
分类号
H01J29/86;H01J31/12;H01J31/30
主分类号
H01J29/86
代理机构
代理人
主权项
地址
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