Verfahren und Vorrichtung zur Hereingewinnung von Mineralien,申请号DE19691908208-传众专利搜索

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发明名称	Verfahren und Vorrichtung zur Hereingewinnung von Mineralien
摘要
申请公布号	DE1908208(A1)	申请公布日期	1969.09.11
申请号	DE19691908208	申请日期	1969.02.19
申请人	WM.PARK & CO.FORGEMASTERS LTD.	发明人	THOMAS WALSH,DONALD
分类号	E21C37/22	主分类号	E21C37/22
代理机构		代理人
主权项
地址

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