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经营范围
发明名称
Well casing hanger and method for hanging same
摘要
申请公布号
GB1142803(A)
申请公布日期
1969.02.12
申请号
GB19660006342
申请日期
1966.02.14
申请人
ATLANTIC RICHFIELD COMPANY
发明人
分类号
E21B33/04;E21B43/10
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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