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经营范围
发明名称
WELLBORE ANCHOR.
摘要
申请公布号
EP0664847(A1)
申请公布日期
1995.08.02
申请号
EP19940922454
申请日期
1994.06.24
申请人
ATLANTIC RICHFIELD COMPANY;APLPHA MANUFACTURING, INC.
发明人
THORNTON, WILLIE, HANSEL, JR.
分类号
E21B23/01;(IPC1-7):E21B23/04
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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