WIPER DEVICE FOR STRIPPING FLUID FROM WELL PIPE,申请号EP19830305869-传众专利搜索

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发明名称	WIPER DEVICE FOR STRIPPING FLUID FROM WELL PIPE
摘要
申请公布号	EP0107391(A3)	申请公布日期	1985.04.03
申请号	EP19830305869	申请日期	1983.09.29
申请人	BROWN, WILLIAM H.;CUTHILL, TREVOR FORREST;BRISCOE, BRIAN HAROLD;MCLAREN, LLOYD WESLEY	发明人	BROWN, WILLIAM H.
分类号	E21B33/08;(IPC1-7):E21B33/08	主分类号	E21B33/08
代理机构		代理人
主权项
地址

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