Improvements in or relating to alarm devices,申请号GB19600020049-传众专利搜索

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发明名称	Improvements in or relating to alarm devices
摘要
申请公布号	GB904173(A)	申请公布日期	1962.08.22
申请号	GB19600020049	申请日期	1960.06.08
申请人	EDMUND COLLIVER PRATT;VERNEUR EDMUND PRATT	发明人
分类号	G08B17/02;G10K1/074	主分类号	G08B17/02
代理机构		代理人
主权项
地址

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