PERFECCIONAMIENTOS EN LA CONSTRUCCION DE LAS MAQUINAS PARA ARRANCAR EL CARBON,申请号ES19890001780-传众专利搜索

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发明名称	PERFECCIONAMIENTOS EN LA CONSTRUCCION DE LAS MAQUINAS PARA ARRANCAR EL CARBON
摘要
申请公布号	ES178089(A1)	申请公布日期	1947.07.01
申请号	ES19890001780	申请日期	1947.05.17
申请人	AVENCE COPPEE & CIE, S.C.	发明人
分类号	(IPC1-7):E21	主分类号	(IPC1-7):E21
代理机构		代理人
主权项
地址

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