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经营范围
发明名称
Recording depth sounder
摘要
申请公布号
US2729803(A)
申请公布日期
1956.01.03
申请号
US19490134558
申请日期
1949.12.22
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
HARRISON BERTRAM M.
分类号
G01S7/62
主分类号
G01S7/62
代理机构
代理人
主权项
地址
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