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发明名称
Improvements in radio navigational aids
摘要
申请公布号
GB608220(A)
申请公布日期
1948.09.13
申请号
GB19440020806
申请日期
1944.10.25
申请人
RADIO TRANSMISSION EQUIPMENT LIMITED;CHRISTOPHER EDMUND GERVASE BAILEY
发明人
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
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地址
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