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发明名称
Radio echo detection system for determining range and direction of objects in space
摘要
申请公布号
US2754509(A)
申请公布日期
1956.07.10
申请号
US19420468140
申请日期
1942.12.07
申请人
HALL WILLIAM M
发明人
HALL WILLIAM M.
分类号
G01S7/16
主分类号
G01S7/16
代理机构
代理人
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地址
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