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发明名称
Radio ranging system
摘要
申请公布号
US2554515(A)
申请公布日期
1951.05.29
申请号
US19380223502
申请日期
1938.08.06
申请人
YOUNG LEO C;PAGE ROBERT M
发明人
YOUNG LEO C.;PAGE ROBERT M.
分类号
G01S1/02;G01S19/44
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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