AUTOMATIC BROADCASTING DEVICE IN TRAIN,申请号JP19790097340-传众专利搜索

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发明名称	AUTOMATIC BROADCASTING DEVICE IN TRAIN
摘要
申请公布号	JPS5622499(A)	申请公布日期	1981.03.03
申请号	JP19790097340	申请日期	1979.08.01
申请人	HITACHI LTD	发明人	TAKAOKA TADASHI;TOYODA EIICHI
分类号	G10L13/04	主分类号	G10L13/04
代理机构		代理人
主权项
地址

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