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发明名称
Liner hanger
摘要
申请公布号
US2111793(A)
申请公布日期
1938.03.22
申请号
US19360031817
申请日期
1936.05.26
申请人
LEE CARL E;CRAIG HARLEY J
发明人
LEE CARL E.;CRAIG HARLEY J.
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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