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经营范围
发明名称
Improvements in or relating to short wave radio antenna systems
摘要
申请公布号
GB525159(A)
申请公布日期
1940.08.22
申请号
GB19390005024
申请日期
1939.02.15
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H01Q9/28
主分类号
H01Q9/28
代理机构
代理人
主权项
地址
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