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发明名称
Anordnung zur Richtungsbestimmung von Schallwellen unter Wasser
摘要
申请公布号
DE612568(C)
申请公布日期
1935.04.30
申请号
DED612568D
申请日期
1930.06.24
申请人
ELECTROACUSTIC GESELLSCHAFT M.B.H.;ELECTROACUSTIC GESELLSCHAFT M.B.H.
发明人
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
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地址
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