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发明名称
Air navigation system
摘要
申请公布号
US2463474(A)
申请公布日期
1949.03.01
申请号
US19450581072
申请日期
1945.03.05
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
BUSIGNIES HENRI G.
分类号
G01S1/02;G01S13/74;G01S19/08;G01S19/11
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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