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发明名称
Hydraulisk lösbar kopling
摘要
申请公布号
NO960540(A)
申请公布日期
1997.09.22
申请号
NO19960000540
申请日期
1996.02.12
申请人
BAKKE OIL TOOLS AS
发明人
BAKKE, STIG
分类号
E21B17/06;E21B23/04;(IPC1-7):E21B23/04;E21B19/16;F16L37/08
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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