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发明名称
Vorrichtung zum gerichteten Senden und/oder Empfangen von Wasserschall
摘要
申请公布号
DE1808596(A1)
申请公布日期
1970.06.11
申请号
DE19681808596
申请日期
1968.11.13
申请人
FRIED.KRUPP GMBH
发明人
GRITSCH,DIPL.-ING.HERBERT
分类号
G10K11/34
主分类号
G10K11/34
代理机构
代理人
主权项
地址
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