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发明名称
Running tool
摘要
申请公布号
GB2206626(A)
申请公布日期
1989.01.11
申请号
GB19880020763
申请日期
1988.09.02
申请人
* OTIS ENGINEERING CORPORATION
发明人
MARK A * SCHNATZMEYER
分类号
E21B17/00;E21B23/03;E21B47/00;E21B47/06;H01R13/523;(IPC1-7):E21B23/03
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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