Auxiliary device for picking up and repeating a signal made by an audible alarm,申请号IT19880021509-传众专利搜索

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发明名称	Auxiliary device for picking up and repeating a signal made by an audible alarm
摘要
申请公布号	IT1226459(B)	申请公布日期	1991.01.16
申请号	IT19880021509	申请日期	1988.07.27
申请人	MAY PIERLUIGI	发明人	PIERLUIGI MAY
分类号	G08B;(IPC1-7):G08B/	主分类号	G08B
代理机构		代理人
主权项
地址

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