UN PROCEDIMIENTO Y APARATO PARA CORREGIR LA SUPERFICIE DE UNA VIA FERREA,申请号AR19780271456-传众专利搜索

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发明名称	UN PROCEDIMIENTO Y APARATO PARA CORREGIR LA SUPERFICIE DE UNA VIA FERREA
摘要
申请公布号	AR224340(A1)	申请公布日期	1981.11.30
申请号	AR19780271456	申请日期	1978.03.16
申请人	CANRON INC	发明人
分类号	E01B27/02;E01B27/13;E01B27/17;(IPC1-7):E01B29/05	主分类号	E01B27/02
代理机构		代理人
主权项
地址

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