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发明名称
Improvements in and relating to cathode ray tubes
摘要
申请公布号
GB360654(A)
申请公布日期
1931.11.12
申请号
GB19300032635
申请日期
1930.10.30
申请人
PIERRE EMILE LOUIS CHEVALLIER
发明人
分类号
H01J29/58
主分类号
H01J29/58
代理机构
代理人
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