Fremgangsmate for bedring av ytelsen til fiske- og bore-slagror i avviks- og hoyavviks borehull,申请号NO20000005219-传众专利搜索

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发明名称	Fremgangsmate for bedring av ytelsen til fiske- og bore-slagror i avviks- og hoyavviks borehull
摘要
申请公布号	NO326930(B1)	申请公布日期	2009.03.16
申请号	NO20000005219	申请日期	2000.10.17
申请人	BAKER HUGHES INC	发明人	STOESZ CARL W
分类号	E21B31/00;E21B31/113	主分类号	E21B31/00
代理机构		代理人
主权项
地址

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