EMERGENCY ANNUNCIATION DEVICE,申请号JP19880157936-传众专利搜索

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发明名称	EMERGENCY ANNUNCIATION DEVICE
摘要
申请公布号	JPH029257(A)	申请公布日期	1990.01.12
申请号	JP19880157936	申请日期	1988.06.28
申请人	MITSUBISHI ELECTRIC CORP	发明人	YOSHIKAWA RIEKO;MINAGAWA RYOJI
分类号	G08B25/08;H04M11/00	主分类号	G08B25/08
代理机构		代理人
主权项
地址

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