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发明名称
Testing radio echo equipment
摘要
申请公布号
US2460827(A)
申请公布日期
1949.02.08
申请号
US19420441730
申请日期
1942.05.04
申请人
ISELY FRANK C
发明人
ISELY FRANK C.
分类号
G01S7/40
主分类号
G01S7/40
代理机构
代理人
主权项
地址
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