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经营范围
发明名称
Improvements in or relating to cathode ray tube apparatus
摘要
申请公布号
GB647955(A)
申请公布日期
1950.12.28
申请号
GB19470021481
申请日期
1947.08.06
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
G01S13/524
主分类号
G01S13/524
代理机构
代理人
主权项
地址
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