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发明名称
Radio navigation systems
摘要
申请公布号
US2762043(A)
申请公布日期
1956.09.04
申请号
US19520323082
申请日期
1952.11.28
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
EARP CHARLES WILLIAM
分类号
G01S3/54
主分类号
G01S3/54
代理机构
代理人
主权项
地址
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