Styring med lukket sloyfe pa en borerigg,申请号NO20040000155-传众专利搜索

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发明名称	Styring med lukket sloyfe pa en borerigg
摘要
申请公布号	NO20040155(A)	申请公布日期	2004.07.15
申请号	NO20040000155	申请日期	2004.01.13
申请人	SCHLUMBERGER HOLDINGS LTD	发明人	HACHE JEAN-MICHEL;BARGACH SAAD
分类号	E21B44/00;(IPC1-7):G01V3/38	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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