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发明名称
Improvements relating to radio receiving devices
摘要
申请公布号
GB517845(A)
申请公布日期
1940.02.09
申请号
GB19380023627
申请日期
1938.08.10
申请人
AGO-BALTIC RADIO A.-B.
发明人
分类号
H04B1/14
主分类号
H04B1/14
代理机构
代理人
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