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发明名称
Radio antenna scanning and azimuth marking means
摘要
申请公布号
US2572975(A)
申请公布日期
1951.10.30
申请号
US19450611658
申请日期
1945.08.20
申请人
BERGER FRANCE B;SLACK FREDERICK F
发明人
BERGER FRANCE B.;SLACK FREDERICK F.
分类号
G01S7/14;G01S13/68
主分类号
G01S7/14
代理机构
代理人
主权项
地址
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