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发明名称
Equisignal radio beacon system
摘要
申请公布号
US2406396(A)
申请公布日期
1946.08.27
申请号
US19420432948
申请日期
1942.03.02
申请人
THE DECCA RECORD COMPANY, LIMITED
发明人
O'BRIEN WILLIAM J.
分类号
G01S1/02;G01S19/41
主分类号
G01S1/02
代理机构
代理人
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