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经营范围
发明名称
Improvements in or relating to tuning arrangements for radio receivers
摘要
申请公布号
GB521255(A)
申请公布日期
1940.05.16
申请号
GB19380032603
申请日期
1938.11.10
申请人
FERRANTI LIMITED;ARTHUR WALLACE, EDWARDS
发明人
分类号
H03J5/12
主分类号
H03J5/12
代理机构
代理人
主权项
地址
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