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经营范围
发明名称
Heterodyne receiver
摘要
申请公布号
US2049677(A)
申请公布日期
1936.08.04
申请号
US19320649484
申请日期
1932.12.30
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
URTEL RUDOLF
分类号
H03D7/10
主分类号
H03D7/10
代理机构
代理人
主权项
地址
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