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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
GB836007(A)
申请公布日期
1960.06.01
申请号
GB19560011623
申请日期
1956.04.17
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
分类号
H01J31/12
主分类号
H01J31/12
代理机构
代理人
主权项
地址
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