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发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB769356(A)
申请公布日期
1957.03.06
申请号
GB19550005096
申请日期
1955.02.21
申请人
THE RAULAND CORPORATION
发明人
分类号
H01J9/24;H01J29/82;H01J31/20
主分类号
H01J9/24
代理机构
代理人
主权项
地址
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