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发明名称
Acoustical sound locating device
摘要
申请公布号
US2459162(A)
申请公布日期
1949.01.18
申请号
US19400365922
申请日期
1940.11.16
申请人
HAYES HARVEY C
发明人
HAYES HARVEY C.
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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