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经营范围
发明名称
Improved radio receiving equipment for omnidirectional phase beacon navigation systems
摘要
申请公布号
GB736281(A)
申请公布日期
1955.09.07
申请号
GB19530033806
申请日期
1953.12.04
申请人
RADIO CORPORATION OF AMERICA
发明人
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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