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发明名称
Packer cup
摘要
申请公布号
GB2382364(A)
申请公布日期
2003.05.28
申请号
GB20020025807
申请日期
2002.11.05
申请人
* POLAR COMPLETIONS ENGINEERING INC
发明人
WITOLD P * SERAFIN
分类号
E21B33/126;(IPC1-7):E21B33/126
主分类号
E21B33/126
代理机构
代理人
主权项
地址
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