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发明名称	Hydrophone
摘要
申请公布号	US2432083(A)	申请公布日期	1947.12.09
申请号	US19420468246	申请日期	1942.12.08
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	JR. ROBERT BLACK,;ROMANOW FRANK F.;SHANN OSCAR A.
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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