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发明名称
Wireline plug
摘要
申请公布号
GB9411865(D0)
申请公布日期
1994.08.03
申请号
GB19940011865
申请日期
1994.06.14
申请人
SSR (INTERNATIONAL) LIMITED
发明人
分类号
E21B23/02;E21B23/04;E21B33/12
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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