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发明名称
Rörskjöt med gjenger
摘要
申请公布号
NO963941(A)
申请公布日期
1997.04.04
申请号
NO19960003941
申请日期
1996.09.19
申请人
VALLOUREC OIL & GAS;SUMITOMO METAL INDUSTRIES
发明人
LANCRY, ALAIN;IWAMOTO, MICHIHIKO
分类号
F16L15/02;E21B17/042;F16L15/04;F16L15/06;(IPC1-7):F16L15/00;E21B17/08
主分类号
F16L15/02
代理机构
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