Dispatching mechanism for alarm signal systems,申请号US19410419097-传众专利搜索

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发明名称	Dispatching mechanism for alarm signal systems
摘要
申请公布号	US2350557(A)	申请公布日期	1944.06.06
申请号	US19410419097	申请日期	1941.11.14
申请人	SIGNAL ENGINEERING & MANUFACTURING COMPANY	发明人	HUMPHREYS FERDINAND F.
分类号	G08B17/06	主分类号	G08B17/06
代理机构		代理人
主权项
地址

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