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发明名称
Obstacle locator system
摘要
申请公布号
US3368189(A)
申请公布日期
1968.02.06
申请号
US19510231244
申请日期
1951.06.12
申请人
CHIEF OF NAVAL RESEARCH USA
发明人
PAGE ROBERT M.
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
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