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发明名称
Radio-echo system for plotting collision-course
摘要
申请公布号
US2717998(A)
申请公布日期
1955.09.13
申请号
US19440535852
申请日期
1944.05.16
申请人
HAVENS BYRON L
发明人
HAVENS BYRON L.
分类号
F41G9/02;G01S13/10
主分类号
F41G9/02
代理机构
代理人
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地址
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