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经营范围
发明名称
MEKANISK SAMMENKOBLINGSANORDNING.
摘要
申请公布号
NO912373(A)
申请公布日期
1992.12.21
申请号
NO19910002373
申请日期
1991.06.18
申请人
NORSKE STATS OLJESELSKAP
发明人
BRUSET OLAV
分类号
E21B;E21B7/128;F16B3/04;F16L;F16L37/14;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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