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发明名称
Radio beacon system
摘要
申请公布号
US2238261(A)
申请公布日期
1941.04.15
申请号
US19380209973
申请日期
1938.05.25
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
HAHNEMANN WALTER MAX
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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