COMPOSITE STATOR CONSTRUCTION FOR DOWNHOLE DRILLING MOTORS,申请号CA19912058080-传众专利搜索

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发明名称	COMPOSITE STATOR CONSTRUCTION FOR DOWNHOLE DRILLING MOTORS
摘要
申请公布号	CA2058080(A1)	申请公布日期	1992.06.21
申请号	CA19912058080	申请日期	1991.12.19
申请人	DRILEX SYSTEMS, INC.	发明人	FORREST, JOHN
分类号	E21B4/02;F01C1/10;(IPC1-7):E21B4/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

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