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发明名称
System for adkomst til oljebrönner med ettergivende leder og kveilrör
摘要
申请公布号
NO20013363(D0)
申请公布日期
2001.07.06
申请号
NO20010003363
申请日期
2001.07.06
申请人
HEADWORTH, COLIN STUART
发明人
HEADWORTH, COLIN STUART
分类号
E21B17/01;E21B19/22;E21B33/076;E21B33/08;(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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