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发明名称
Radio beacon system
摘要
申请公布号
US2187097(A)
申请公布日期
1940.01.16
申请号
US19370147909
申请日期
1937.06.12
申请人
FRANCIS POPE
发明人
POPE FRANCIS
分类号
G01S1/02;G01S19/41
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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