Creation of a downhole seal,申请号GB20030018178-传众专利搜索

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发明名称	Creation of a downhole seal
摘要
申请公布号	GB2390862(A)	申请公布日期	2004.01.21
申请号	GB20030018178	申请日期	2002.03.22
申请人	* WEATHERFORD/LAMB, INC	发明人	J ERIC * LAURITZEN
分类号	E21B33/134;E21B43/10;(IPC1-7):E21B43/10	主分类号	E21B33/134
代理机构		代理人
主权项
地址

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