Automatic sensitivity control for sound actuated detection and alarm systems,申请号US19620202763-传众专利搜索

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发明名称	Automatic sensitivity control for sound actuated detection and alarm systems
摘要
申请公布号	US3155954(A)	申请公布日期	1964.11.03
申请号	US19620202763	申请日期	1962.06.15
申请人	LARRICK HOWARD M;BROSCH WALTER R	发明人	LARRICK HOWARD M.;BROSCH WALTER R.
分类号	G08B13/16	主分类号	G08B13/16
代理机构		代理人
主权项
地址

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