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发明名称
Improvements in and relating to cathode ray tube apparatus
摘要
申请公布号
GB869932(A)
申请公布日期
1961.06.07
申请号
GB19570020852
申请日期
1957.07.02
申请人
PHILCO CORPORATION
发明人
分类号
H04N9/24
主分类号
H04N9/24
代理机构
代理人
主权项
地址
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