EINRICHTUNG ZUR GEWINNUNG VON AUF DEM MEERESBODEN LAGERNDEN ERZKNOLLEN,申请号DE19742439485-传众专利搜索

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发明名称	EINRICHTUNG ZUR GEWINNUNG VON AUF DEM MEERESBODEN LAGERNDEN ERZKNOLLEN
摘要
申请公布号	DE2439485(B2)	申请公布日期	1977.06.23
申请号	DE19742439485	申请日期	1974.08.16
申请人		发明人
分类号	E02F3/90;E02F3/92;E21C45/00;E21C45/02;E21C45/06;E21C50/00;(IPC1-7):E21C45/00	主分类号	E02F3/90
代理机构		代理人
主权项
地址

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