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经营范围
发明名称
Compression and tension set packer
摘要
申请公布号
US3252517(A)
申请公布日期
1966.05.24
申请号
US19630308972
申请日期
1963.09.16
申请人
KIVA CORPORATION
发明人
LEWIS WILLIAM R.;FARRAR WILLIE W.;LINDLEY JAMES R.
分类号
E21B33/129;E21B43/10
主分类号
E21B33/129
代理机构
代理人
主权项
地址
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