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发明名称
CONDUCTOR TIEBACK CONNECTOR FOR SUBSEA WELLHEAD
摘要
申请公布号
GB2069085(A)
申请公布日期
1981.08.19
申请号
GB19810003563
申请日期
1981.02.05
申请人
VETCO OFFSHORE INC
发明人
分类号
E21B33/038;(IPC1-7):F16L1/04
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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