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发明名称
SIDE POCKET MANDREL
摘要
申请公布号
GB2115456(B)
申请公布日期
1985.08.14
申请号
GB19830002038
申请日期
1983.01.25
申请人
* OTIS ENGINEERING CORPORATION
发明人
DAVID T * MERRITT;DAVID W * FISH;OLEN R * LONG
分类号
E21B17/18;E21B23/03;(IPC1-7):E21B23/03
主分类号
E21B17/18
代理机构
代理人
主权项
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