PROCESSO PARA A RETIFICACAO NA VIA DA SUPERFICIE DA CABECA DOS TRILHOS DE UMA VIA FERREA E DISPOSITIVO PARA A SUA REALIZACAO,申请号BR19770000824-传众专利搜索

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发明名称	PROCESSO PARA A RETIFICACAO NA VIA DA SUPERFICIE DA CABECA DOS TRILHOS DE UMA VIA FERREA E DISPOSITIVO PARA A SUA REALIZACAO
摘要
申请公布号	BR7700824(A)	申请公布日期	1977.10.18
申请号	BR19770000824	申请日期	1977.02.10
申请人	SPENO INT SA	发明人	PANETTI R
分类号	B24B27/00;E01B31/12;E01B31/17;(IPC1-7):E01B35/00	主分类号	B24B27/00
代理机构		代理人
主权项
地址

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