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经营范围
发明名称
Radio navigation beacon
摘要
申请公布号
US2915750(A)
申请公布日期
1959.12.01
申请号
US19570671435
申请日期
1957.07.12
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
ROSA LOUIS A. DE;LUNDBERG FRANK J.
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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