Device for grinding the heads of rails,申请号GB19570030492-传众专利搜索

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发明名称	Device for grinding the heads of rails
摘要
申请公布号	GB817825(A)	申请公布日期	1959.08.06
申请号	GB19570030492	申请日期	1957.09.30
申请人	ELEKTRO-THERMIT G.M.B.H.	发明人	AHLERT WILHELM
分类号	E01B31/17	主分类号	E01B31/17
代理机构		代理人
主权项
地址

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