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发明名称
CASING SECTION CONNECTOR
摘要
申请公布号
SU1709062(A1)
申请公布日期
1992.01.30
申请号
SU19864110631
申请日期
1986.08.12
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
SHEVCHENKO KONSTANTIN A,SU;SEREZHNIKOV VLADIMIR V,SU;KOVAL ALEKSANDR F,SU;KURTOV VENIAMIN D,SU
分类号
E21B17/08;E21B33/14;E21B43/10
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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