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经营范围
发明名称
Perfectionnements aux récepteurs de t. s. f.
摘要
申请公布号
FR825133(A)
申请公布日期
1938.02.24
申请号
FRD825133
申请日期
1937.08.03
申请人
TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H03G5/02;H03G5/06
主分类号
H03G5/02
代理机构
代理人
主权项
地址
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