AUTOMATIC SWITCHING SYSTEM FOR CLASSIFICATION YARDS,申请号CAD612682-传众专利搜索

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发明名称	AUTOMATIC SWITCHING SYSTEM FOR CLASSIFICATION YARDS
摘要
申请公布号	CA612682(A)	申请公布日期	1961.01.17
申请号	CAD612682	申请日期
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	NELSON B. COLEY
分类号		主分类号
代理机构		代理人
主权项
地址

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