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发明名称
Duty cycle control for radio beacons
摘要
申请公布号
US2753553(A)
申请公布日期
1956.07.03
申请号
US19520276811
申请日期
1952.03.15
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
DODINGTON SVEN H. M.
分类号
G01S13/76
主分类号
G01S13/76
代理机构
代理人
主权项
地址
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