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发明名称
METHOD OF CONSTRUCTING FILTER-FREE WELLS
摘要
申请公布号
SU918420(A1)
申请公布日期
1982.04.07
申请号
SU19802936086
申请日期
1980.06.03
申请人
BRUSS GEOLOGO-GIDROGEOLOGICHESKAYA EKSPEDITSIYA U GEOLOGII PRI SOVETE MINISTROV BSSR
发明人
MARTYNENKO YURIJ N,SU;ESHIMOV GEORGIJ K,SU
分类号
E21B43/02;E21B33/13;(IPC1-7):E21B43/02
主分类号
E21B43/02
代理机构
代理人
主权项
地址
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