Electroacoustical transducer mounted on boat hull,申请号US19560574653-传众专利搜索

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发明名称	Electroacoustical transducer mounted on boat hull
摘要
申请公布号	US3113287(A)	申请公布日期	1963.12.03
申请号	US19560574653	申请日期	1956.03.29
申请人	RAYTHEON COMPANY	发明人	RENNER GERARD W.
分类号	B63B49/00;G10K11/00	主分类号	B63B49/00
代理机构		代理人
主权项
地址

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