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发明名称
Improvements in or relating to navigation aiding radio receiving systems
摘要
申请公布号
GB503471(A)
申请公布日期
1939.04.06
申请号
GB19380029326
申请日期
1938.10.10
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
G01S1/02
主分类号
G01S1/02
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代理人
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地址
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