DISPOSITIVO PARA LA EXPLOTACION SIN PERSONAL COMPLETAMENTE MECANICA DE ESTRATOS DE INCLINACION EMPINADA Y SEMIEMPINADA Y PROCEDIMIENTO PARA SU EXPLOTACION.,申请号ES19530003535-传众专利搜索

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发明名称	DISPOSITIVO PARA LA EXPLOTACION SIN PERSONAL COMPLETAMENTE MECANICA DE ESTRATOS DE INCLINACION EMPINADA Y SEMIEMPINADA Y PROCEDIMIENTO PARA SU EXPLOTACION.
摘要
申请公布号	ES353553(A2)	申请公布日期	1969.10.01
申请号	ES19530003535	申请日期	1968.05.04
申请人	HARPENER BERGBAU A. G.	发明人
分类号	E21C27/02;E21D23/00;E21F15/02;(IPC1-7):21C/	主分类号	E21C27/02
代理机构		代理人
主权项
地址

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