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发明名称
System for boring av bronnhull til havs gjennom et bronnhode pa havbunnen
摘要
申请公布号
NO318103(B1)
申请公布日期
2005.01.31
申请号
NO19970003051
申请日期
1997.06.30
申请人
JAPAN OIL, GAS AND METALS NATIONAL CORP;MITSUI ENGINEERING & SHIPBUILDING CO LTD;MITSUBISHI HEAVY INDUSTRIES LTD;JAPAN DRILLING CO LTD
发明人
KOGURE EIJI;MACKIE MICHAEL J;MCCALLA JEFFREY M;HAYASHI HIROICHI
分类号
E21B7/128;E21B17/01;E21B17/08;E21B33/038;(IPC1-7):E21B17/01
主分类号
E21B7/128
代理机构
代理人
主权项
地址
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