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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2319811(A)
申请公布日期
1943.05.25
申请号
US19410400192
申请日期
1941.06.28
申请人
RADIO CORPORATION OF AMERICA
发明人
GEORGE ROSCOE H.;HESSELBERTH WILFRED M.
分类号
H01J29/92
主分类号
H01J29/92
代理机构
代理人
主权项
地址
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