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发明名称
Interference reducing pulse echo signaling system
摘要
申请公布号
US2635231(A)
申请公布日期
1953.04.14
申请号
US19450634093
申请日期
1945.12.10
申请人
ANGER HAL O
发明人
ANGER HAL O.
分类号
G01S7/282
主分类号
G01S7/282
代理机构
代理人
主权项
地址
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