DEVICE FOR ANNUNCIATION ABOUT TRAIN ARRIVAL,申请号SU19904868386-传众专利搜索

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发明名称	DEVICE FOR ANNUNCIATION ABOUT TRAIN ARRIVAL
摘要
申请公布号	RU1792858(C)	申请公布日期	1993.02.07
申请号	SU19904868386	申请日期	1990.09.21
申请人	MO I INZHENEROV ZHELEZNODOROZ	发明人	ZELVYANSKIJ YAKOV A,SU;CHAVCHANIDZE GRIGORIJ D,SU
分类号	B61L23/06	主分类号	B61L23/06
代理机构		代理人
主权项
地址

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