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发明名称
DEVICE FOR CONNECTING CASING SECTIONS
摘要
申请公布号
SU810928(A1)
申请公布日期
1981.03.07
申请号
SU19782621779
申请日期
1978.05.23
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
GONCHAROV ALEKSEJ N,SU;KUKSOV ANATOLIJ K,SU;VOLOSNIKOVA EKATERINA M,SU;GONCHAROV EVGENIJ N,SU;SHLYAKHOVOJ SERGEJ D,SU
分类号
E21B17/08;(IPC1-7):E21B17/08
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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