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发明名称
Multi-lobe omnidirectional radio navigation system
摘要
申请公布号
US2711533(A)
申请公布日期
1955.06.21
申请号
US19520283665
申请日期
1952.04.22
申请人
THE SPERRY CORPORATION
发明人
LITCHFORD GEORGE B.
分类号
G01S1/02;G01S19/42
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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