Improvements in the reception or transmission of sound vibrations,申请号GB19410016449-传众专利搜索

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发明名称	Improvements in the reception or transmission of sound vibrations
摘要
申请公布号	GB553997(A)	申请公布日期	1943.06.15
申请号	GB19410016449	申请日期	1941.12.20
申请人	THOMAS JOHN ROBERT BRIGHT	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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