Probe microphone with horn coupling,申请号US19630271320-传众专利搜索

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发明名称	Probe microphone with horn coupling
摘要
申请公布号	US3276535(A)	申请公布日期	1966.10.04
申请号	US19630271320	申请日期	1963.04.08
申请人	NATIONAL RESEARCH COUNCIL	发明人	SHAW EDGAR A. G.
分类号	H04R1/34	主分类号	H04R1/34
代理机构		代理人
主权项
地址

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