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经营范围
发明名称
ECHO SOUNDING METHOD AND APPARATUS
摘要
申请公布号
US3439318(A)
申请公布日期
1969.04.15
申请号
USD3439318
申请日期
1967.09.15
申请人
BOFORS:AB
发明人
HANS BOSTROEM;FRIEDRICH HOWEY
分类号
G01S13/22;G01S15/14;(IPC1-7):G01S9/68
主分类号
G01S13/22
代理机构
代理人
主权项
地址
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