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发明名称
Improvements in or relating to radio receiving systems
摘要
申请公布号
GB340200(A)
申请公布日期
1930.12.24
申请号
GB19300015601
申请日期
1930.05.21
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED
发明人
分类号
H04B7/08
主分类号
H04B7/08
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代理人
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