Improved device for securing railway rails,申请号GB19350013925-传众专利搜索

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发明名称	Improved device for securing railway rails
摘要
申请公布号	GB461178(A)	申请公布日期	1937.02.11
申请号	GB19350013925	申请日期	1935.05.11
申请人	LES PETITS FILS DE FRANCOIS DE WENDEL & CIE	发明人
分类号	E01B9/40	主分类号	E01B9/40
代理机构		代理人
主权项
地址

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