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发明名称
MISALIGNMENT TIEBACK TOOL
摘要
申请公布号
GB8524686(D0)
申请公布日期
1985.11.13
申请号
GB19850024686
申请日期
1985.10.07
申请人
VETCO OFFSHORE INC
发明人
分类号
E21B33/038;F16L27/00;F16L37/252;(IPC1-7):E21B19/12
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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