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发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB513739(A)
申请公布日期
1939.10.20
申请号
GB19380011716
申请日期
1938.04.19
申请人
FERNSEH AKTIENGESELLSCHAFT
发明人
分类号
H01J29/24
主分类号
H01J29/24
代理机构
代理人
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