发明名称 DEVICE FOR TREATMENT OF BOREHOLE
摘要 Device for treatment of borehole has cylindrical body in walls of which slots are provided with appliances for cleaning cavernous intervals. Outer wall of the body has slot in which appliance arranged as blade is fixed. Free end of the blade is connected to the body with possibility of displacement with respect to outer surface of the body at periods of purification of cavernous intervals.
申请公布号 UA36329(U) 申请公布日期 2008.10.27
申请号 UA20080005242U 申请日期 2008.04.22
申请人 NATIONAL MINING UNIVERSITY 发明人 DAVYDENKO OLEKSANDR MYKOLAIOVYCH;IGNATOV ANDRII OLEKSANDROVYCH;YARSYK VITALII VASYLIOVYCH
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