DOUBLE ACTING HYDRAULIC JAR,申请号EP19970919166-传众专利搜索

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发明名称	DOUBLE ACTING HYDRAULIC JAR
摘要
申请公布号	EP0927296(B1)	申请公布日期	2003.02.26
申请号	EP19970919166	申请日期	1997.09.18
申请人	WEATHERFORD/LAMB, INC.	发明人	FRIIS, NIELS, CHRISTIAN, OLAF
分类号	E21B31/113;(IPC1-7):E21B31/113	主分类号	E21B31/113
代理机构		代理人
主权项
地址

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