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发明名称
Improvements relating to cathode ray tube systems
摘要
申请公布号
GB519330(A)
申请公布日期
1940.03.21
申请号
GB19380027427
申请日期
1938.09.20
申请人
KOLSTER-BRANDES LIMITED;WILLIAM ARNOLD BEATTY
发明人
分类号
H01J29/52
主分类号
H01J29/52
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代理人
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