Downhole clutch with flow ports,申请号AU19980070311-传众专利搜索

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发明名称	Downhole clutch with flow ports
摘要
申请公布号	AU716001(B2)	申请公布日期	2000.02.17
申请号	AU19980070311	申请日期	1998.02.24
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.	发明人	BRUNO BEST;MARKUS ANTONIUS VAN BUREN
分类号	E21B17/05;E21B17/06;E21B21/10;(IPC1-7):E21B17/06	主分类号	E21B17/05
代理机构		代理人
主权项
地址

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