Anordning ved en boremal for brönner til havs,申请号NO19990003250-传众专利搜索

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发明名称	Anordning ved en boremal for brönner til havs
摘要
申请公布号	NO993250(A)	申请公布日期	1999.05.04
申请号	NO19990003250	申请日期	1999.06.29
申请人	KONGSBERG OFFSHORE AS	发明人	RANGNES, ATLE;THORESEN, JON;KNOPH, TORE;BACKE, MORTEN
分类号	E21B;E21B7/12;E21B7/128;E21B33/035;E21B41/08;E21B43/01;(IPC1-7):E21B7/12	主分类号	E21B
代理机构		代理人
主权项
地址

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