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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
GB743181(A)
申请公布日期
1956.01.11
申请号
GB19520016639
申请日期
1952.07.02
申请人
THE RAULAND CORPORATION
发明人
分类号
H01J29/62;H01J29/84
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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