Appareillage pour l'extraction mécanique par abattage de charbon et autres minéraux,申请号FR19650034905-传众专利搜索

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发明名称	Appareillage pour l'extraction mécanique par abattage de charbon et autres minéraux
摘要
申请公布号	FR1450125(A)	申请公布日期	1966.05.06
申请号	FR19650034905	申请日期	1965.10.14
申请人		发明人	GREBE KONRAD
分类号	E21C25/56;E21C35/16	主分类号	E21C25/56
代理机构		代理人
主权项
地址

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