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发明名称
Improvements in aerial constructions
摘要
申请公布号
GB685464(A)
申请公布日期
1953.01.07
申请号
GB19490031594
申请日期
1949.12.08
申请人
JOHN RICHARDSON;WALTER FRUIN
发明人
分类号
H01Q9/08
主分类号
H01Q9/08
代理机构
代理人
主权项
地址
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