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发明名称
Gas-pressurized lubricator
摘要
申请公布号
GB2420599(B)
申请公布日期
2009.08.19
申请号
GB20050023761
申请日期
2005.11.23
申请人
WEATHERFORD/LAMB INC.
发明人
BEN HORN;WILLIAM HEARN
分类号
F04B47/12;E21B43/12
主分类号
F04B47/12
代理机构
代理人
主权项
地址
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