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经营范围
发明名称
Perfectionnements aux récepteurs radiogoniométriques
摘要
申请公布号
FR842035(A)
申请公布日期
1939.06.05
申请号
FRD842035
申请日期
1938.08.12
申请人
TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M.B.H.
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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