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发明名称
THREADED JOINT FOR STEAM-INJECTION PIPES
摘要
申请公布号
SU1663174(A1)
申请公布日期
1991.07.15
申请号
SU19884498291
申请日期
1988.08.01
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
CHERNOV BORIS A,SU;BABYUK IGOR S,SU;OGANOV KONSTANTIN A,SU;CHERNOV YAROSLAV B,SU
分类号
E21B17/042;E21B17/02;F16L15/00
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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