发明名称 METHOD FOR BLAST TREATMENT OF PRODUCTIVE BEDS
摘要 Method for blast treatment of productive beds that includes opening of productive seam with well and initiation of explosive substance in liquid in well in interval of bedding of productive bed. For possibility of sequential multiple loading on productive seam charge is arranged of several same parts.
申请公布号 UA33191(U) 申请公布日期 2008.06.10
申请号 UA20080002096U 申请日期 2008.02.19
申请人 NAHORNYI VOLODYMYR PETROVYCH 发明人 NAHORNYI VOLODYMYR PETROVYCH
分类号 E21B43/263 主分类号 E21B43/263
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