MARINE STRUCTURE FOR DRILLING FOR AND/OR THE PRODUCTION OF SUBAQUEOUS MINERALS,申请号GB19750025970-传众专利搜索

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发明名称	MARINE STRUCTURE FOR DRILLING FOR AND/OR THE PRODUCTION OF SUBAQUEOUS MINERALS
摘要
申请公布号	GB1513885(A)	申请公布日期	1978.06.14
申请号	GB19750025970	申请日期	1975.06.18
申请人	HOEYER ELLEFSEN AS	发明人
分类号	E02B17/00;E02B17/02;E21B15/02;(IPC1-7):B63B21/50	主分类号	E02B17/00
代理机构		代理人
主权项
地址

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