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发明名称
ARRANGEMENT FOR SECURING WELLS
摘要
申请公布号
SU976032(A1)
申请公布日期
1982.11.23
申请号
SU19813287339
申请日期
1981.05.05
申请人
VNII GIDROTEKHNIKI MELIORATSII IM.A.N.KOSTYAKOVA;MO GEOLOGORAZVEDOCHNYJ I IM.S.ORDZHONIKIDZE
发明人
TIKHONOV NIKOLAJ V,SU;BELYAKOV VLADIMIR M,SU;KRASNOSHCHEKOV GEORGIJ M,SU
分类号
E21B33/14;(IPC1-7):E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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