DISPOSITIVO PARA LA ENTIBACION PROVISIONAL DE UNA GALERIA PERFORADA MEDIANTE UNA MAQUINA PERFORADORA DE GALERIAS,申请号AR19780273994-传众专利搜索

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发明名称	DISPOSITIVO PARA LA ENTIBACION PROVISIONAL DE UNA GALERIA PERFORADA MEDIANTE UNA MAQUINA PERFORADORA DE GALERIAS
摘要
申请公布号	AR218693(A1)	申请公布日期	1980.06.30
申请号	AR19780273994	申请日期	1978.10.06
申请人	VOEST ALPINE MONTANE AG	发明人
分类号	E21D19/04;E21D11/40;E21D23/00;(IPC1-7):E21D7/00	主分类号	E21D19/04
代理机构		代理人
主权项
地址

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