Acoustic siren for generating wide band noise with improved efficiency,申请号US19600008466-传众专利搜索

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发明名称	Acoustic siren for generating wide band noise with improved efficiency
摘要
申请公布号	US3072094(A)	申请公布日期	1963.01.08
申请号	US19600008466	申请日期	1960.02.12
申请人	COLE JOHN N;VON GIERKE HENNING E	发明人	COLE JOHN N.;GIERKE HENNING E. VON
分类号	G10K7/00	主分类号	G10K7/00
代理机构		代理人
主权项
地址

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