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发明名称
METHOD FOR FORMING BOREHOLE FILTRATION ZONE
摘要
申请公布号
SU1740633(A1)
申请公布日期
1992.06.15
申请号
SU19894702269
申请日期
1989.06.08
申请人
LENINABADSKIJ GORNO-KHIMICHESKIJ KOMBINAT
发明人
VENKOV VLADIMIR P,SU;ZOLOTENKOV IGOR A,SU;FILTSEV YURIJ N,SU;TERENTEV VITALIJ V,SU
分类号
E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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