Casing patch method and apparatus,申请号US19870114639-传众专利搜索

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发明名称	Casing patch method and apparatus
摘要
申请公布号	US4830109(A)	申请公布日期	1989.05.16
申请号	US19870114639	申请日期	1987.10.28
申请人	CAMERON IRON WORKS USA, INC.	发明人	WEDEL, ALFRED W.
分类号	E21B29/10	主分类号	E21B29/10
代理机构		代理人
主权项
地址

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