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发明名称
Anordning ved en borerörkobling
摘要
申请公布号
NO313711(B1)
申请公布日期
2002.11.18
申请号
NO20010002742
申请日期
2001.06.01
申请人
RIGSUPPLY AS
发明人
STRAND, STEIN ERIK;NILSEN, PER GUNNAR;VAALAND, ATLE STIAN
分类号
E21B17/042;E21B17/10;(IPC1-7):E21B17/10;E21B17/04
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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