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发明名称
Internal connection of tree to wellhead housing
摘要
申请公布号
GB0227148(D0)
申请公布日期
2002.12.24
申请号
GB20020027148
申请日期
2002.11.21
申请人
ABB VETCO GRAY, INC.
发明人
分类号
B01D17/00;B01D17/02;C02F1/40;C02F1/48;E21B33/038;E21B43/36;E21B43/40
主分类号
B01D17/00
代理机构
代理人
主权项
地址
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