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发明名称
WELL-DRILLING ARRANGEMENT
摘要
申请公布号
SU744113(A1)
申请公布日期
1980.06.30
申请号
SU19782593636
申请日期
1978.03.20
申请人
VNII BUROVOJ TEKHNIKI
发明人
BELEJ IVAN V,SU;LOPATIN YURIJ S,SU;MEZHLUMOV ALEKSANDR O,SU;ROMANOV ABRAM Z,SU;BEZRUKOV ALEKSANDR N,SU;ZAJTSEV GENNADIJ G,SU;IVENSKIJ ALEKSANDR P,SU;IONENKO VLADIMIR P,SU
分类号
E21B21/00;(IPC1-7):E21B21/00
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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