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经营范围
发明名称
Improvements in or relating to navigation aiding radio transmitters
摘要
申请公布号
GB532122(A)
申请公布日期
1941.01.17
申请号
GB19390020349
申请日期
1939.07.12
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;ERNEST GREEN;NORMAN EUSTACE DAVIS
发明人
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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