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经营范围
发明名称
Radio range
摘要
申请公布号
US2238965(A)
申请公布日期
1941.04.22
申请号
US19390270829
申请日期
1939.04.29
申请人
RADIO CORPORATION OF AMERICA
发明人
BOND DONALD S.
分类号
G01S1/02;G01S19/04;G01S19/44
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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