发明名称 |
Dewatering apparatus |
摘要 |
|
申请公布号 |
AU2007264957(A1) |
申请公布日期 |
2008.01.03 |
申请号 |
AU20070264957 |
申请日期 |
2007.06.28 |
申请人 |
RICHARD SCALLEN |
发明人 |
RICHARD E. SCALLEN |
分类号 |
E21B43/00 |
主分类号 |
E21B43/00 |
代理机构 |
|
代理人 |
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主权项 |
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地址 |
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