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经营范围
发明名称
Improvements in and relating to radio direction finding
摘要
申请公布号
GB452290(A)
申请公布日期
1936.08.19
申请号
GB19350005308
申请日期
1935.02.19
申请人
ROBERT HARRY BARFIELD
发明人
分类号
G01S3/08
主分类号
G01S3/08
代理机构
代理人
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