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经营范围
发明名称
Sonar trainer
摘要
申请公布号
US2948970(A)
申请公布日期
1960.08.16
申请号
US19480061568
申请日期
1948.11.23
申请人
CARRUTHERS WALTER W;KIRKPATRICK CLAUDE L
发明人
CARRUTHERS WALTER W.;KIRKPATRICK CLAUDE L.
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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