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发明名称
Radio navigation device
摘要
申请公布号
US2613351(A)
申请公布日期
1952.10.07
申请号
US19480027732
申请日期
1948.05.18
申请人
THE SPERRY CORPORATION
发明人
LANG GREGOR L.
分类号
G01S1/02;G01S19/13;G01S19/35
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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