Improvements in and relating to underwater sound transmitting and receiving apparatus for ships,申请号GB19450034415-传众专利搜索

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发明名称	Improvements in and relating to underwater sound transmitting and receiving apparatus for ships
摘要
申请公布号	GB611318(A)	申请公布日期	1948.10.28
申请号	GB19450034415	申请日期	1945.12.19
申请人	BENJAMIN SPALDING SMITH;JOHN ANDERSON;ARTHUR EDWARD HOLMAN PEW;JACK OSTINS DAVIS;CHARLES SEYMOUR WRIGHT	发明人
分类号	G01S1/72	主分类号	G01S1/72
代理机构		代理人
主权项
地址

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