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经营范围
发明名称
Improvements in radio aerials
摘要
申请公布号
GB517361(A)
申请公布日期
1940.01.26
申请号
GB19390019050
申请日期
1939.06.30
申请人
DONALD THOMAS HINCHEN
发明人
分类号
H01Q1/12
主分类号
H01Q1/12
代理机构
代理人
主权项
地址
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