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发明名称
Improvements in or relating to tuning indicators for wireless receivers
摘要
申请公布号
GB509414(A)
申请公布日期
1939.07.13
申请号
GB19380001182
申请日期
1938.01.13
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M.B.H.
发明人
分类号
H03J1/10
主分类号
H03J1/10
代理机构
代理人
主权项
地址
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