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发明名称
Radio beacon for indicating bearing on vehicles
摘要
申请公布号
US2603776(A)
申请公布日期
1952.07.15
申请号
US19460680785
申请日期
1946.07.01
申请人
BRYAN HAROLD E
发明人
BRYAN HAROLD E.
分类号
G01S1/02;G01S19/17
主分类号
G01S1/02
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代理人
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