Improvements in rail car or wagon control systems,申请号GB19480012991-传众专利搜索

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发明名称	Improvements in rail car or wagon control systems
摘要
申请公布号	GB660996(A)	申请公布日期	1951.11.14
申请号	GB19480012991	申请日期	1948.05.12
申请人	WILLIAM ROSS	发明人
分类号	B61J3/02	主分类号	B61J3/02
代理机构		代理人
主权项
地址

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