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发明名称
Beam convergence apparatus for tri-color kinescopes
摘要
申请公布号
US2806164(A)
申请公布日期
1957.09.10
申请号
US19540447338
申请日期
1954.08.02
申请人
RADIO CORPORATION OF AMERICA
发明人
CLAY BURTON R.;BOIS JOHN H. DU
分类号
H01J29/70;H04N9/28
主分类号
H01J29/70
代理机构
代理人
主权项
地址
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