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经营范围
发明名称
Radio frequency short wave receiver
摘要
申请公布号
US1943730(A)
申请公布日期
1934.01.16
申请号
US19320610799
申请日期
1932.05.12
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
HERMANSPANN PAUL
分类号
H03D11/02;H04B1/16
主分类号
H03D11/02
代理机构
代理人
主权项
地址
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