Tong assembly and method for manipulating a tubular connection,申请号EP20050252607-传众专利搜索

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发明名称	Tong assembly and method for manipulating a tubular connection
摘要
申请公布号	EP1591618(A3)	申请公布日期	2005.12.28
申请号	EP20050252607	申请日期	2005.04.27
申请人	NATIONAL-OILWELL, L.P.	发明人	DRZEWIECKI, LOPEK
分类号	E21B19/16;(IPC1-7):E21B19/16	主分类号	E21B19/16
代理机构		代理人
主权项
地址

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