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经营范围
发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB481659(A)
申请公布日期
1938.03.14
申请号
GB19380004888
申请日期
1936.06.13
申请人
VLADISLAS ZEITLINE;APOLLINAIRE ZEITLINE;VLADIMIR KLIATCHKO
发明人
分类号
H01J29/52
主分类号
H01J29/52
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