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经营范围
发明名称
Anordning for undervanns brønnboring og/eller klargjøring
摘要
申请公布号
NO20003684(D0)
申请公布日期
2000.07.18
申请号
NO20000003684
申请日期
2000.07.18
申请人
DRIL-QUIP INC
发明人
WATKINS, BRUCE J.
分类号
E21B17/01;E21B43/01;(IPC1-7):E21B
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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