Perfectionnements aux machines d'exploitation minière,申请号FR19590814629-传众专利搜索

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发明名称	Perfectionnements aux machines d'exploitation minière
摘要
申请公布号	FR1250737(A)	申请公布日期	1961.01.13
申请号	FR19590814629	申请日期	1959.12.31
申请人		发明人	GUEREL SENIH
分类号	E21C27/26	主分类号	E21C27/26
代理机构		代理人
主权项
地址

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