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发明名称
Time-delay signal-repeater system
摘要
申请公布号
US2827564(A)
申请公布日期
1958.03.18
申请号
US19530370749
申请日期
1953.07.28
申请人
HAZELTINE RESEARCH, INC.
发明人
HIRSCH CHARLES J.
分类号
G01S13/538
主分类号
G01S13/538
代理机构
代理人
主权项
地址
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