BI-DIRECTIONAL TRACTION APPARATUS,申请号EP20010997616-传众专利搜索

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发明名称	BI-DIRECTIONAL TRACTION APPARATUS
摘要
申请公布号	EP1341988(A1)	申请公布日期	2003.09.10
申请号	EP20010997616	申请日期	2001.11.21
申请人	WEATHERFORD/LAMB, INC.	发明人	SIMPSON, NEIL, ANDREW, ABERCROMBIE
分类号	E21B23/00;E21B23/08;E21B23/14;E21B37/04;(IPC1-7):E21B23/14;F16L55/30	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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