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发明名称
BOTTOM PLUG FOR FORMING A MONO DIAMETER WELLBORE CASING
摘要
申请公布号
AU2003270774(A1)
申请公布日期
2004.04.08
申请号
AU20030270774
申请日期
2003.09.22
申请人
ENVENTURE GLOBAL TECHNLOGY
发明人
DAVID, PAUL BRISCO;BROCK, WAYNE WATSON
分类号
E21B;E21B23/00;E21B33/12;E21B33/129;E21B43/10
主分类号
E21B
代理机构
代理人
主权项
地址
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