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发明名称
Radio beacon and radio guide
摘要
申请公布号
US2206644(A)
申请公布日期
1940.07.02
申请号
US19380205247
申请日期
1938.04.30
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
ROCARD YVES
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
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地址
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