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发明名称
Verfahren und Einrichtung zur Bestimmung der Richtung und/oder der Entfernung von Gegenstaenden nach der Echomethode unter Verwendung von Unterwasserschallgeraeten
摘要
申请公布号
DE727199(C)
申请公布日期
1942.10.29
申请号
DE1938E051655D
申请日期
1938.09.28
申请人
ELECTROACUSTIC GESELLSCHAFT M.B.H.
发明人
HOLDT DIPL.-ING. GUENTHER
分类号
G01S15/42
主分类号
G01S15/42
代理机构
代理人
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