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发明名称
RETRIEVABLE WELL PACKER
摘要
申请公布号
US3467182(A)
申请公布日期
1969.09.16
申请号
USD3467182
申请日期
1968.02.08
申请人
SCHLUMBERGER TECHNOLOGY CORP.
发明人
JAMES W. KISLING
分类号
E21B33/126;(IPC1-7):E21B33/12;E21B23/06
主分类号
E21B33/126
代理机构
代理人
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地址
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