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经营范围
发明名称
Multiband radio receiver
摘要
申请公布号
US2230554(A)
申请公布日期
1941.02.04
申请号
US19380211491
申请日期
1938.06.03
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
WILHELM KARL
分类号
H03J5/24
主分类号
H03J5/24
代理机构
代理人
主权项
地址
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