PIPE-GRIPPING STRUCTURE HAVING LOAD RING,申请号EP20030701999-传众专利搜索

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发明名称	PIPE-GRIPPING STRUCTURE HAVING LOAD RING
摘要
申请公布号	EP1470353(B1)	申请公布日期	2007.08.22
申请号	EP20030701999	申请日期	2003.01.03
申请人	VARCO I/P, INC.	发明人	MASON, DAVID;DE PONT, ALBERT, P., J., M.;VAN RIJZINGEN, HANS;KRIJNEN, ANTON;DE LAAT, CORNELIS, W., J.
分类号	E21B19/10;F16B2/06	主分类号	E21B19/10
代理机构		代理人
主权项
地址

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