Main bore isolation assembly for multi-lateral use,申请号GB19980018053-传众专利搜索

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发明名称	Main bore isolation assembly for multi-lateral use
摘要
申请公布号	GB9818053(D0)	申请公布日期	1998.10.14
申请号	GB19980018053	申请日期	1998.08.20
申请人	BAKER HUGHES INCORPORATED	发明人
分类号	E21B29/06;E21B34/06;E21B34/14	主分类号	E21B29/06
代理机构		代理人
主权项
地址

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