Alarm system and signalling apparatus therefor,申请号US19540459692-传众专利搜索

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发明名称	Alarm system and signalling apparatus therefor
摘要
申请公布号	US2754793(A)	申请公布日期	1956.07.17
申请号	US19540459692	申请日期	1954.10.01
申请人	PANELLIT, INC.	发明人	SPERRY ALBERT F.
分类号	G08B17/04	主分类号	G08B17/04
代理机构		代理人
主权项
地址

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