SYSTEME D'ABATTAGE POUR EXPLOITATIONS MINIERES AU FOND, EN PARTICULIER SYSTEME D'ABATTAGE AU RABOT,申请号BE19790196438-传众专利搜索

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发明名称	SYSTEME D'ABATTAGE POUR EXPLOITATIONS MINIERES AU FOND, EN PARTICULIER SYSTEME D'ABATTAGE AU RABOT
摘要
申请公布号	BE877878(A1)	申请公布日期	1979.11.16
申请号	BE19790196438	申请日期	1979.07.25
申请人	GEWERKSCHAFT EISENHUTTE WESTFALIA	发明人
分类号	E21C35/14;(IPC1-7):E21C/	主分类号	E21C35/14
代理机构		代理人
主权项
地址

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