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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
GB731124(A)
申请公布日期
1955.06.01
申请号
GB19530017344
申请日期
1953.06.23
申请人
WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY
发明人
分类号
H01J31/20
主分类号
H01J31/20
代理机构
代理人
主权项
地址
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