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经营范围
发明名称
Improvements relating to cathode ray tubes
摘要
申请公布号
GB849276(A)
申请公布日期
1960.09.21
申请号
GB19560037796
申请日期
1956.12.11
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
分类号
H01J31/10
主分类号
H01J31/10
代理机构
代理人
主权项
地址
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