DEVICE FOR A DOWN-HOLE ASSEMBLY,申请号GB19920015776-传众专利搜索

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发明名称	DEVICE FOR A DOWN-HOLE ASSEMBLY
摘要
申请公布号	GB2261685(A)	申请公布日期	1993.05.26
申请号	GB19920015776	申请日期	1992.07.24
申请人	* PIPE RECOVERY CONSULTANTS LIMITED	发明人	FRED * RYAN
分类号	E21B23/06;E21B29/00;E21B33/129	主分类号	E21B23/06
代理机构		代理人
主权项
地址

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