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发明名称
Fralandskonstruksjon med en vertikal stromningsledning
摘要
申请公布号
NO326542(B1)
申请公布日期
2008.12.29
申请号
NO20020003907
申请日期
2002.08.16
申请人
DEEP OIL TECHNOLOGY INC
发明人
HORTON III EDWARD E
分类号
E21B17/01;E21B15/02;E21B19/00;E21B33/035;E21B34/04;E21B34/16;E21B43/01
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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