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发明名称
Improvements in radio navigation aiding systems
摘要
申请公布号
GB633547(A)
申请公布日期
1949.12.19
申请号
GB19460004573
申请日期
1946.02.13
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
G01S1/20;G01S1/24
主分类号
G01S1/20
代理机构
代理人
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地址
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