Formation isolation valve including ball valve that rotates without translation,申请号GB20110001080-传众专利搜索

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发明名称	Formation isolation valve including ball valve that rotates without translation
摘要
申请公布号	GB2478179(A)	申请公布日期	2011.08.31
申请号	GB20110001080	申请日期	2011.01.21
申请人	SCHLUMBERGER HOLDINGS LIMITED	发明人	SHAUN AZIMI;RICARDO MARTINEZ;ARIN BASMAJIAN;FRANK COSS
分类号	E21B34/14;E21B34/00	主分类号	E21B34/14
代理机构		代理人
主权项
地址

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