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发明名称
Direction finding system
摘要
申请公布号
US1952879(A)
申请公布日期
1934.03.27
申请号
US19310577642
申请日期
1931.11.27
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MARTIN DE LOSS K.
分类号
G01S1/02;G01S19/04;G01S19/46
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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