APARATO DE SENALES DE PASO A NIVEL FERROVIARIO,申请号AR19780272666-传众专利搜索

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发明名称	APARATO DE SENALES DE PASO A NIVEL FERROVIARIO
摘要
申请公布号	AR216519(A1)	申请公布日期	1979.12.28
申请号	AR19780272666	申请日期	1978.06.21
申请人	GENERAL SIGNAL CORP	发明人
分类号	B61L29/28;(IPC1-7):B61L29/22	主分类号	B61L29/28
代理机构		代理人
主权项
地址

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