LIGHT SIGNAL FOR RAILWAYS,申请号CAD392953-传众专利搜索

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发明名称	LIGHT SIGNAL FOR RAILWAYS
摘要
申请公布号	CA392953(A)	申请公布日期	1940.12.03
申请号	CAD392953	申请日期
申请人	WESTINGHOUSE BRAKE AND SIGNAL COMPANY LIMITED;THE UNION SWITCH AND SIGNAL COMPANY	发明人	RODERICK MARCUS MACGREGOR
分类号		主分类号
代理机构		代理人
主权项
地址

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