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发明名称
HYDRAULISK DREVET ROEMMER
摘要
申请公布号
DK424288(A)
申请公布日期
1989.01.31
申请号
DK19880004242
申请日期
1988.07.29
申请人
NORSK HYDRO A.S.
发明人
BOEE, EINAR
分类号
E21B10/32;(IPC1-7):E21B10/32
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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