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发明名称
Straight bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore
摘要
申请公布号
AU6227994(A)
申请公布日期
1994.09.26
申请号
AU19940062279
申请日期
1994.03.02
申请人
BAKER HUGHES INCORPORATED
发明人
JOHN LINDLEY BAUGH;GEORGE JAMES MELENYZER
分类号
E21B33/12;E21B33/128
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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