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经营范围
发明名称
Improvements in or relating to radio receiving circuits
摘要
申请公布号
GB521882(A)
申请公布日期
1940.06.03
申请号
GB19380034918
申请日期
1938.11.30
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03G11/04;H04B1/12
主分类号
H03G11/04
代理机构
代理人
主权项
地址
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