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发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB559316(A)
申请公布日期
1944.02.14
申请号
GB19420012926
申请日期
1942.09.14
申请人
CONSTANTIN STEPHEN SZEGHO
发明人
分类号
H01J29/14;H01J29/18;H01J31/49;H01J31/60
主分类号
H01J29/14
代理机构
代理人
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地址
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