Improvements in or relating to submarine sound-producing oscillators,申请号GB19300012822-传众专利搜索

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发明名称	Improvements in or relating to submarine sound-producing oscillators
摘要
申请公布号	GB353089(A)	申请公布日期	1931.07.23
申请号	GB19300012822	申请日期	1930.04.25
申请人	SUBMARINE SIGNAL COMPANY	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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