Fremgangsmåte og apparat for å sammenkople rör ved å anvende et toppdrevet rotasjonssystem,申请号NO20010000565-传众专利搜索

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发明名称	Fremgangsmåte og apparat for å sammenkople rör ved å anvende et toppdrevet rotasjonssystem
摘要
申请公布号	NO20010565(D0)	申请公布日期	2001.02.02
申请号	NO20010000565	申请日期	2001.02.02
申请人	WEATHERFORD/LAMB INC	发明人	PIETRAS, BERND-GEORG
分类号	E21B19/06;E21B19/16;(IPC1-7):E21B	主分类号	E21B19/06
代理机构		代理人
主权项
地址

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