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经营范围
发明名称
PIPE JOINT
摘要
申请公布号
SU1490247(A1)
申请公布日期
1989.06.30
申请号
SU19874250535
申请日期
1987.05.27
申请人
N-PROIZV OB PO TERMICHESKIM METODAM DOBYCHI NEFTI "SOYUZTERMNEFT"
发明人
GAJNULLIN MARAT N,SU;MASHKOV VIKTOR A,SU;FELDMAN IGOR M,SU
分类号
E21B17/042;E21B17/02
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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