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发明名称
Expansion apparatus
摘要
申请公布号
GB2403749(B)
申请公布日期
2007.10.10
申请号
GB20040015224
申请日期
2004.07.07
申请人
WEATHERFORD/LAMB INC.
发明人
PAUL DAVID METCALFE;SIMON JOHN HARRALL;PETER ELLINGTON
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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