Frac pack casing saver,申请号GB20090007408-传众专利搜索

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发明名称	Frac pack casing saver
摘要
申请公布号	GB2456444(A)	申请公布日期	2009.07.22
申请号	GB20090007408	申请日期	2009.04.29
申请人	BAKER HUGHES INCORPORATED	发明人	NICHOLAS J CLEM
分类号	E21B43/04;E21B43/267	主分类号	E21B43/04
代理机构		代理人
主权项
地址

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